Question

Solve the system of equations

-2x-3y=21
-6x+2y
Part 1: Explain the steps you would take to solve the system by eliminating the x-terms.
Part 2: Explain the steps you would take to solve the system by eliminating the y-terms.
Part 3: Choose either of the methods described in parts 1 or 2 to solve the system of equations. Write you answer as an ordered pair. Show you work.

Answer 1

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Value of x & y when

equations are

• 2x-3y=-21
• -6x+2y= 7

is

x = 1.5

y = 8