-80=b-91

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Solution for -80=b-91 equation:


Simplifying
-80 = b + -91

Reorder the terms:
-80 = -91 + b

Solving
-80 = -91 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-80 + -1b = -91 + b + -1b

Combine like terms: b + -1b = 0
-80 + -1b = -91 + 0
-80 + -1b = -91

Add '80' to each side of the equation.
-80 + 80 + -1b = -91 + 80

Combine like terms: -80 + 80 = 0
0 + -1b = -91 + 80
-1b = -91 + 80

Combine like terms: -91 + 80 = -11
-1b = -11

Divide each side by '-1'.
b = 11

Simplifying
b = 11

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