7(b+9)-4b=69

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Solution for 7(b+9)-4b=69 equation: 



7(b+9)-4b=69

We move all terms to the left:

7(b+9)-4b-(69)=0

We add all the numbers together, and all the variables

-4b+7(b+9)-69=0

We multiply parentheses

-4b+7b+63-69=0

We add all the numbers together, and all the variables

3b-6=0

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

3b=6

b=6/3

b=2

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