-7a=4(-2a+5)

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Solution for -7a=4(-2a+5) equation: 



-7a=4(-2a+5)

We move all terms to the left:

-7a-(4(-2a+5))=0



We calculate terms in parentheses: -(4(-2a+5)), so:

4(-2a+5)

We multiply parentheses

-8a+20

Back to the equation:

-(-8a+20)



We get rid of parentheses

-7a+8a-20=0

We add all the numbers together, and all the variables

a-20=0

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

a=20

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