3a+2(a=4)

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Solution for 3a+2(a=4) equation: 



3a+2(a=4)

We move all terms to the left:

3a+2(a-(4))=0

We multiply parentheses

3a+2a-8=0

We add all the numbers together, and all the variables

5a-8=0

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

5a=8

a=8/5

a=1+3/5

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