3a=(a+7)+87

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Solution for 3a=(a+7)+87 equation: 



3a=(a+7)+87

We move all terms to the left:

3a-((a+7)+87)=0



We calculate terms in parentheses: -((a+7)+87), so:

(a+7)+87

We get rid of parentheses

a+7+87

We add all the numbers together, and all the variables

a+94

Back to the equation:

-(a+94)



We get rid of parentheses

3a-a-94=0

We add all the numbers together, and all the variables

2a-94=0

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

2a=94

a=94/2

a=47

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