7=-42+7y

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Solution for 7=-42+7y equation: 



7=-42+7y

We move all terms to the left:

7-(-42+7y)=0

We add all the numbers together, and all the variables

-(7y-42)+7=0

We get rid of parentheses

-7y+42+7=0

We add all the numbers together, and all the variables

-7y+49=0

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

-7y=-49

y=-49/-7

y=+7

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