3 years ago

2x - 3y = -12 y = 9 - x Solve by substitution

1 answer:

3 0

2x - 3(9-x) = -12

2x-27+3x=-12

5x-27=-12

5x=15

x=3

y=9-x
y=9-3

y=6

x=3
y=6

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