Question

Solve the system of equations and choose the correct answer from the list of

options. (4 points)
x - y = 7
y = 3x + 12
02

Answer 1

x = -19/2 y = -33/2

Explanation:

x - (3x + 12) = 7

x - 3x - 12 = 7

-2x - 12 = 7

-2x = 19

x = -19/2

x - y = 7

-19/2 - y = 7

-y = 33/2

y = -33/2