120=b+7-100

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Solution for 120=b+7-100 equation:


Simplifying
120 = b + 7 + -100

Reorder the terms:
120 = 7 + -100 + b

Combine like terms: 7 + -100 = -93
120 = -93 + b

Solving
120 = -93 + 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.
120 + -1b = -93 + b + -1b

Combine like terms: b + -1b = 0
120 + -1b = -93 + 0
120 + -1b = -93

Add '-120' to each side of the equation.
120 + -120 + -1b = -93 + -120

Combine like terms: 120 + -120 = 0
0 + -1b = -93 + -120
-1b = -93 + -120

Combine like terms: -93 + -120 = -213
-1b = -213

Divide each side by '-1'.
b = 213

Simplifying
b = 213

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