b-7+7b=30

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Solution for b-7+7b=30 equation: 


Simplifying
b + -7 + 7b = 30

Reorder the terms:
-7 + b + 7b = 30

Combine like terms: b + 7b = 8b
-7 + 8b = 30

Solving
-7 + 8b = 30

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 8b = 30 + 7

Combine like terms: -7 + 7 = 0
0 + 8b = 30 + 7
8b = 30 + 7

Combine like terms: 30 + 7 = 37
8b = 37

Divide each side by '8'.
b = 4.625

Simplifying
b = 4.625

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