-2b=-4b-18

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



-2b=-4b-18

We move all terms to the left:

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

We get rid of parentheses

-2b+4b+18=0

We add all the numbers together, and all the variables

2b+18=0

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

2b=-18

b=-18/2

b=-9

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