4-2(3a+1)+2a=18

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Solution for 4-2(3a+1)+2a=18 equation: 



4-2(3a+1)+2a=18

We move all terms to the left:

4-2(3a+1)+2a-(18)=0

We add all the numbers together, and all the variables

2a-2(3a+1)-14=0

We multiply parentheses

2a-6a-2-14=0

We add all the numbers together, and all the variables

-4a-16=0

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

-4a=16

a=16/-4

a=-4

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