615=120+3b

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Solution for 615=120+3b equation:


Simplifying
615 = 120 + 3b

Solving
615 = 120 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
615 + -3b = 120 + 3b + -3b

Combine like terms: 3b + -3b = 0
615 + -3b = 120 + 0
615 + -3b = 120

Add '-615' to each side of the equation.
615 + -615 + -3b = 120 + -615

Combine like terms: 615 + -615 = 0
0 + -3b = 120 + -615
-3b = 120 + -615

Combine like terms: 120 + -615 = -495
-3b = -495

Divide each side by '-3'.
b = 165

Simplifying
b = 165

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