3-4(-2+7)=(4y-7)+7

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Solution for 3-4(-2+7)=(4y-7)+7 equation: 



3-4(-2+7)=(4y-7)+7

We move all terms to the left:

3-4(-2+7)-((4y-7)+7)=0

We add all the numbers together, and all the variables

-((4y-7)+7)+3-45=0

We add all the numbers together, and all the variables

-((4y-7)+7)-42=0



We calculate terms in parentheses: -((4y-7)+7), so:

(4y-7)+7

We get rid of parentheses

4y-7+7

We add all the numbers together, and all the variables

4y

Back to the equation:

-(4y)



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

-4y=42

y=42/-4

y=-10+1/2

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