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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

5a-(2(a+7))+20=0



We calculate terms in parentheses: -(2(a+7)), so:

2(a+7)

We multiply parentheses

2a+14

Back to the equation:

-(2a+14)



We get rid of parentheses

5a-2a-14+20=0

We add all the numbers together, and all the variables

3a+6=0

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

3a=-6

a=-6/3

a=-2

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