8(4-b)+3(-7-b)=55

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Solution for 8(4-b)+3(-7-b)=55 equation: 



8(4-b)+3(-7-b)=55

We move all terms to the left:

8(4-b)+3(-7-b)-(55)=0

We add all the numbers together, and all the variables

8(-1b+4)+3(-1b-7)-55=0

We multiply parentheses

-8b-3b+32-21-55=0

We add all the numbers together, and all the variables

-11b-44=0

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

-11b=44

b=44/-11

b=-4

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