7(a-4)+10=12-3a

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Solution for 7(a-4)+10=12-3a equation: 



7(a-4)+10=12-3a

We move all terms to the left:

7(a-4)+10-(12-3a)=0

We add all the numbers together, and all the variables

7(a-4)-(-3a+12)+10=0

We multiply parentheses

7a-(-3a+12)-28+10=0

We get rid of parentheses

7a+3a-12-28+10=0

We add all the numbers together, and all the variables

10a-30=0

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

10a=30

a=30/10

a=3

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