8b-7=57

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Solution for 8b-7=57 equation: 


Simplifying
8b + -7 = 57

Reorder the terms:
-7 + 8b = 57

Solving
-7 + 8b = 57

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 = 57 + 7

Combine like terms: -7 + 7 = 0
0 + 8b = 57 + 7
8b = 57 + 7

Combine like terms: 57 + 7 = 64
8b = 64

Divide each side by '8'.
b = 8

Simplifying
b = 8

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