-9+4(1-2a)=18

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Solution for -9+4(1-2a)=18 equation: 



-9+4(1-2a)=18

We move all terms to the left:

-9+4(1-2a)-(18)=0

We add all the numbers together, and all the variables

4(-2a+1)-9-18=0

We add all the numbers together, and all the variables

4(-2a+1)-27=0

We multiply parentheses

-8a+4-27=0

We add all the numbers together, and all the variables

-8a-23=0

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

-8a=23

a=23/-8

a=-2+7/8

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