30=-2-4a

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Solution for 30=-2-4a equation: 



30=-2-4a

We move all terms to the left:

30-(-2-4a)=0

We add all the numbers together, and all the variables

-(-4a-2)+30=0

We get rid of parentheses

4a+2+30=0

We add all the numbers together, and all the variables

4a+32=0

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

4a=-32

a=-32/4

a=-8

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