8th grade math solution problem. Please help

asked Mar 10, 2022 144k views

11 votes

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10 votes

3x + 2y = 12
x = y - 1

3x + 2y = 12
3 (y - 1) + 2y = 12
3y - 3 + 2y = 12
5y - 3 = 12
5y = 15
y = 3

x = y - 1
x = (3) - 1
x = 2

answer:
(2, 3)

Oliver Konig answered Mar 15, 2022

6.3k points

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