-4=-2a-18

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Solution for -4=-2a-18 equation: 



-4=-2a-18

We move all terms to the left:

-4-(-2a-18)=0

We get rid of parentheses

2a+18-4=0

We add all the numbers together, and all the variables

2a+14=0

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

2a=-14

a=-14/2

a=-7

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