-8(1-2b)=120

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Solution for -8(1-2b)=120 equation: 


Simplifying
-8(1 + -2b) = 120
(1 * -8 + -2b * -8) = 120
(-8 + 16b) = 120

Solving
-8 + 16b = 120

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 16b = 120 + 8

Combine like terms: -8 + 8 = 0
0 + 16b = 120 + 8
16b = 120 + 8

Combine like terms: 120 + 8 = 128
16b = 128

Divide each side by '16'.
b = 8

Simplifying
b = 8

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