2a=-4a+42

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Solution for 2a=-4a+42 equation: 



2a=-4a+42

We move all terms to the left:

2a-(-4a+42)=0

We get rid of parentheses

2a+4a-42=0

We add all the numbers together, and all the variables

6a-42=0

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

6a=42

a=42/6

a=7

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