3+5=4a-7(1-5a)

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Solution for 3+5=4a-7(1-5a) equation: 



3+5=4a-7(1-5a)

We move all terms to the left:

3+5-(4a-7(1-5a))=0

We add all the numbers together, and all the variables

-(4a-7(-5a+1))+3+5=0

We add all the numbers together, and all the variables

-(4a-7(-5a+1))+8=0



We calculate terms in parentheses: -(4a-7(-5a+1)), so:

4a-7(-5a+1)

We multiply parentheses

4a+35a-7

We add all the numbers together, and all the variables

39a-7

Back to the equation:

-(39a-7)



We get rid of parentheses

-39a+7+8=0

We add all the numbers together, and all the variables

-39a+15=0

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

-39a=-15

a=-15/-39

a=5/13

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