Edmentum

Guided Notes edmentum Solving Three-Variable Linear Systems To solve a system of three linear equations, we will use the substitution method, following this process: 1. Isolate one of the vanbales in one of the equations. 2. Subs, Like the expression that represents that variable into one of the other expression 3. Repeat this process, as needed, to find a possible of Propriate solution for one of the variables. 4. Substitute the Marable_back into the appropriate equations to find the values of the linear Equation Therito art to tomppot Solve the system of equations to find out how many n + d + q= 22 nickels, dimes, and quarters Aaron has. n - d+ q=0 0.05n + 0.1d + 0.25q = 3.25 Solve for _ in the equation. Welllentil everit to song orif en + d + q = 22 n = 22 - d - q Substitute n- d+q=0 into /0 asiduobrien Bonerit be (22 - d - q) - d + q = 0 the equation and solve for 2 -2d = -22 d = 11 Substitute the value of _back into the equation () 608.82 to n = 22 - d - q n = 22 - 11 - q mission granted to copy for classroom use. that we solved for n = 11 - q Substitute the expression for _ and the value 0.05n + 0.1d + 0.25q = 3.25 0.05(11 - q) + 0.1(11) + 0.25q = 3.25 of _ so we can solve for the value of 1.65 + 0.2q = 3.25 9=8 Substitute the value of _and solve for n = 11 - q n = 11 - 8 n = 3 uided Notes: Systems of Linear Equations 4