120=-7+15b

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Solution for 120=-7+15b equation:


Simplifying
120 = -7 + 15b

Solving
120 = -7 + 15b

Solving for variable 'b'.

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

Add '-15b' to each side of the equation.
120 + -15b = -7 + 15b + -15b

Combine like terms: 15b + -15b = 0
120 + -15b = -7 + 0
120 + -15b = -7

Add '-120' to each side of the equation.
120 + -120 + -15b = -7 + -120

Combine like terms: 120 + -120 = 0
0 + -15b = -7 + -120
-15b = -7 + -120

Combine like terms: -7 + -120 = -127
-15b = -127

Divide each side by '-15'.
b = 8.466666667

Simplifying
b = 8.466666667

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