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

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



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

We move all terms to the left:

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

We multiply parentheses

7a-(2(a+5))-28=0



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

2(a+5)

We multiply parentheses

2a+10

Back to the equation:

-(2a+10)



We get rid of parentheses

7a-2a-10-28=0

We add all the numbers together, and all the variables

5a-38=0

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

5a=38

a=38/5

a=7+3/5

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