-7b+8=-13

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Solution for -7b+8=-13 equation: 


Simplifying
-7b + 8 = -13

Reorder the terms:
8 + -7b = -13

Solving
8 + -7b = -13

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 = -13 + -8

Combine like terms: 8 + -8 = 0
0 + -7b = -13 + -8
-7b = -13 + -8

Combine like terms: -13 + -8 = -21
-7b = -21

Divide each side by '-7'.
b = 3

Simplifying
b = 3

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