-2a+4-4a-8=-a-4-9-8

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Solution for -2a+4-4a-8=-a-4-9-8 equation: 



-2a+4-4a-8=-a-4-9-8

We move all terms to the left:

-2a+4-4a-8-(-a-4-9-8)=0

We add all the numbers together, and all the variables

-2a-4a-(-1a-21)+4-8=0

We add all the numbers together, and all the variables

-6a-(-1a-21)-4=0

We get rid of parentheses

-6a+1a+21-4=0

We add all the numbers together, and all the variables

-5a+17=0

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

-5a=-17

a=-17/-5

a=3+2/5

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