7a-118=3a-6

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Solution for 7a-118=3a-6 equation: 



7a-118=3a-6

We move all terms to the left:

7a-118-(3a-6)=0

We get rid of parentheses

7a-3a+6-118=0

We add all the numbers together, and all the variables

4a-112=0

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

4a=112

a=112/4

a=28

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