3(5-b)=-18

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Solution for 3(5-b)=-18 equation: 



3(5-b)=-18

We move all terms to the left:

3(5-b)-(-18)=0

We add all the numbers together, and all the variables

3(-1b+5)-(-18)=0

We add all the numbers together, and all the variables

3(-1b+5)+18=0

We multiply parentheses

-3b+15+18=0

We add all the numbers together, and all the variables

-3b+33=0

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

-3b=-33

b=-33/-3

b=+11

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