5=7(4+3a)

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



5=7(4+3a)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(7(3a+4)), so:

7(3a+4)

We multiply parentheses

21a+28

Back to the equation:

-(21a+28)



We get rid of parentheses

-21a-28+5=0

We add all the numbers together, and all the variables

-21a-23=0

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

-21a=23

a=23/-21

a=-1+2/21

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