Question: For the following exercises, solve each system by addition. -2x + 5y = -42 7x + 2y = 30

For the following exercises, solve each system by addition. 

-2x + 5y = -42 7x + 2y = 30

-2x + 5y = -42 7x + 2y = 30

Step by Step Solution

★★★★★

3.45 Rating (155 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

2x5y42 7x2y30 We are supposed to solve by addition So we have 2x5y42 7x2y3... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Precalculus 1st Questions!

Q:

Solve each system by using row reduction? a. b. 6x+4y-43 15x+y-8-2

Q:

Solve each system by using an inverse matrix? a. b. 5x +3y-7z-3 10x-4y+62=5 15x +y-3z-2

Q:

Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...

Q:

MATH 106 Week 8 LEO Discussion Topic Exercises Version: 2015-1 Linear Programming 1. Graphically solve the following: Maximize , subject to: f 6x y 2. x y 8 3x y 0 y 0 Solve the given linear...

Q:

Solve the system of equations by any method. -2x + 5y = -42 7x + 2y = 30 Enter the exact answer as an ordered pair. (x, y). If there is no solution, enter NS. If there is an infinite number of...

Q:

Solve the following system of linear equations using the substitution method: 3x2y=18 5x+10y=10 Express answer as an ordered pair. Solve the following system of linear equations using the...

Q:

1. Solve the system of equations by any method. -2x + 5y = -42 7x + 2y = 30 Enter the exact answer as an ordered pair, (x, y). If there is no solution, enter NS. If there is an infinite number of...

Q:

Solve the system of equations by any method -2x + 5y = -42 7x + 2y = 30

Q:

precalculus Solve the system of equations by any method. -2x + 5y = -42 7x + 2y = 30 Enter the exact answer as an ordered pair, (x, y). If there is no solution, enter NS. If there is an infinite...

Q:

For the following exercises, solve each system by addition. 7x - 2y = 3 4x + 5y = 3.25

Q:

Stirling Windows Inc. of Hong Kong is considering purchasing an automated cutting machine for use in the production of its stained-glass windows. The machine would cost $675,000. (All currency...

Q:

Make a power point presentation on disadvantages of being a leader in format of 2013.

Q:

a taxpayer borrows money and invests the loan proceeds in municipal bonds, the interest paid by the taxpayer on the debt wil ble. ue or False

Q:

4. Describe the conflict between stakeholders interests and the Finnish governments perception of Microsofts lack of social responsibility to Nokias employees. Whom do you side with and why?

Q:

Solve the given equation (8) =__and (1) =

Q:

Problems 104 113. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections, a final exam, or subsequent courses such as calculus....

Q:

Problems 103112. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections, a final exam, or subsequent courses such as calculus. If...

Q:

Pettit Printing Company ( PPC ) has a total market value of $ 1 0 0 million, consisting of 1 million shares selling for $ 5 0 per share and $ 5 0 million of 1 0 % perpetual bonds now selling at par....

Q:

Telstar Communications is going to purchase an asset for $460,000 that will produce $220,000 per year for the next four years in earnings before depreciation and taxes. The asset will be depreciated...

Q:

c. What is the tax benefit from the sale? Note: Do not round intermediate calculations and round your answer to the nearest whole dollar. d. What is the cash inflow from the sale of the old...