7(7-6b)=217

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Solution for 7(7-6b)=217 equation: 



7(7-6b)=217

We move all terms to the left:

7(7-6b)-(217)=0

We add all the numbers together, and all the variables

7(-6b+7)-217=0

We multiply parentheses

-42b+49-217=0

We add all the numbers together, and all the variables

-42b-168=0

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

-42b=168

b=168/-42

b=-4

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