-3=4.5+y

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Solution for -3=4.5+y equation: 



-3=4.5+y

We move all terms to the left:

-3-(4.5+y)=0

We add all the numbers together, and all the variables

-(y+4.5)-3=0

We get rid of parentheses

-y-4.5-3=0

We add all the numbers together, and all the variables

-1y-7.5=0

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

-y=7.5

y=7.5/-1

y=-7+0.5/1

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