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

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



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

We move all terms to the left:

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

We multiply parentheses

12a-(4a-12)+120+7=0

We get rid of parentheses

12a-4a+12+120+7=0

We add all the numbers together, and all the variables

8a+139=0

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

8a=-139

a=-139/8

a=-17+3/8

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