Question

Use the substitution method to solve the following system of equations.

3x + 5y = 3
x + 2y = 0

Answer 1

3x + 5y =3
x + 2y = 0

x = -2y

3(-2y) + 5y = 3
-6y + 5y = 3
-y = 3
y = -3

x + 2(-3) = 0
x -6 = 0
x = 6

Answer 2

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