7(10+b)-5b=54

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Solution for 7(10+b)-5b=54 equation: 



7(10+b)-5b=54

We move all terms to the left:

7(10+b)-5b-(54)=0

We add all the numbers together, and all the variables

7(b+10)-5b-54=0

We add all the numbers together, and all the variables

-5b+7(b+10)-54=0

We multiply parentheses

-5b+7b+70-54=0

We add all the numbers together, and all the variables

2b+16=0

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

2b=-16

b=-16/2

b=-8

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