Y = - 3x + 6

y = 9

What is the solution to the system of equations?

A (-21, 9)

B (9, - 21)

C (-1, 9)

D (9, - 1)

Amanda thinks she has a different way to solve equations, by factoring the GCF out on both sides of the equation. Look at her work by solving the equation 3x+9=18

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