-4=y/2-1

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Solution for -4=y/2-1 equation: 



-4=y/2-1

We move all terms to the left:

-4-(y/2-1)=0

We get rid of parentheses

-y/2+1-4=0

We multiply all the terms by the denominator


-y+1*2-4*2=0

We add all the numbers together, and all the variables

-1y-6=0

We move all terms containing y to the left, all other terms to the right

-y=6

y=6/-1

y=-6

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