3 years ago

4x-7y=2 -8+7y=-18 please help me hah im confused

1 answer:

6 0

-8 + 7y = - 18
7y =10
y =10/7

Substitute y = 10/7 into first equation
4x - 7 (10/7)=2
4x - 10 =2
4x = 12
x = 3

Thus, the solution is x = 3 and y = 10/7

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