1.Solve the system by substitution. If the system is inconsistent or has dependentequations, say so.

5x6y=26

5x+y=0

2.Solve the following system by elimination.

1/2x+1/3y=7/3

1/2x+2y=4

3.Solve the system by the method of your choice.

1/2x1/12y = 1/6

6x+y=2

4. Solve the system.

2x7y+3z=14

x+5y4z=19

x3y6z= -27

5.Solve the system of equations.

8x y+ z=6

4x+2y3z=14

x3y+2z= -16

6Solve the following system.

5/4x4/3y+5/4z=8

5/16x+3/4y3/16z=6

3/4xy+3/4z=6

7.Solve the system of equations.

6.3x2.5y+1.2z=12.28 (1)

3.5x+5.0y0.1z=3.63 (2)

2.8x7.5y+2.4z=18.99 (3)