a+42=7a-6

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Solution for a+42=7a-6 equation: 



a+42=7a-6

We move all terms to the left:

a+42-(7a-6)=0

We get rid of parentheses

a-7a+6+42=0

We add all the numbers together, and all the variables

-6a+48=0

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

-6a=-48

a=-48/-6

a=+8

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