Question #22227

2x - 3y = -1 | y = x - 1

Expert's answer

2x - 3y = -1
y = x& - 1

Substitute y=x-1 into the first equation:
2x-3(x-1)=-1
2x-3x+3=-1
-x=-1-3
x=4
Now we can find y=x-1=4-1=3
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