7b-8=55

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Solution for 7b-8=55 equation: 


Simplifying
7b + -8 = 55

Reorder the terms:
-8 + 7b = 55

Solving
-8 + 7b = 55

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 7b = 55 + 8

Combine like terms: -8 + 8 = 0
0 + 7b = 55 + 8
7b = 55 + 8

Combine like terms: 55 + 8 = 63
7b = 63

Divide each side by '7'.
b = 9

Simplifying
b = 9

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