120+3b=15

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Solution for 120+3b=15 equation: 


Simplifying
120 + 3b = 15

Solving
120 + 3b = 15

Solving for variable 'b'.

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

Add '-120' to each side of the equation.
120 + -120 + 3b = 15 + -120

Combine like terms: 120 + -120 = 0
0 + 3b = 15 + -120
3b = 15 + -120

Combine like terms: 15 + -120 = -105
3b = -105

Divide each side by '3'.
b = -35

Simplifying
b = -35

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