11(12-7b)=-8(9b-4)

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Solution for 11(12-7b)=-8(9b-4) equation:


Simplifying
11(12 + -7b) = -8(9b + -4)
(12 * 11 + -7b * 11) = -8(9b + -4)
(132 + -77b) = -8(9b + -4)

Reorder the terms:
132 + -77b = -8(-4 + 9b)
132 + -77b = (-4 * -8 + 9b * -8)
132 + -77b = (32 + -72b)

Solving
132 + -77b = 32 + -72b

Solving for variable 'b'.

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

Add '72b' to each side of the equation.
132 + -77b + 72b = 32 + -72b + 72b

Combine like terms: -77b + 72b = -5b
132 + -5b = 32 + -72b + 72b

Combine like terms: -72b + 72b = 0
132 + -5b = 32 + 0
132 + -5b = 32

Add '-132' to each side of the equation.
132 + -132 + -5b = 32 + -132

Combine like terms: 132 + -132 = 0
0 + -5b = 32 + -132
-5b = 32 + -132

Combine like terms: 32 + -132 = -100
-5b = -100

Divide each side by '-5'.
b = 20

Simplifying
b = 20

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