270=-3a-84

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Solution for 270=-3a-84 equation: 



270=-3a-84

We move all terms to the left:

270-(-3a-84)=0

We get rid of parentheses

3a+84+270=0

We add all the numbers together, and all the variables

3a+354=0

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

3a=-354

a=-354/3

a=-118

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