3(2-0.9b)+(-13b-4)=0

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Solution for 3(2-0.9b)+(-13b-4)=0 equation: 



3(2-0.9b)+(-13b-4)=0

We add all the numbers together, and all the variables

3(-0.9b+2)+(-13b-4)=0

We multiply parentheses

0b+(-13b-4)+6=0

We get rid of parentheses

0b-13b-4+6=0

We add all the numbers together, and all the variables

-12b+2=0

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

-12b=-2

b=-2/-12

b=1/6

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