13=b-80

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Solution for 13=b-80 equation:


Simplifying
13 = b + -80

Reorder the terms:
13 = -80 + b

Solving
13 = -80 + 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.
13 + -1b = -80 + b + -1b

Combine like terms: b + -1b = 0
13 + -1b = -80 + 0
13 + -1b = -80

Add '-13' to each side of the equation.
13 + -13 + -1b = -80 + -13

Combine like terms: 13 + -13 = 0
0 + -1b = -80 + -13
-1b = -80 + -13

Combine like terms: -80 + -13 = -93
-1b = -93

Divide each side by '-1'.
b = 93

Simplifying
b = 93

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