9(8-8b)=-12(1-b)

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Solution for 9(8-8b)=-12(1-b) equation:


Simplifying
9(8 + -8b) = -12(1 + -1b)
(8 * 9 + -8b * 9) = -12(1 + -1b)
(72 + -72b) = -12(1 + -1b)
72 + -72b = (1 * -12 + -1b * -12)
72 + -72b = (-12 + 12b)

Solving
72 + -72b = -12 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
72 + -72b + -12b = -12 + 12b + -12b

Combine like terms: -72b + -12b = -84b
72 + -84b = -12 + 12b + -12b

Combine like terms: 12b + -12b = 0
72 + -84b = -12 + 0
72 + -84b = -12

Add '-72' to each side of the equation.
72 + -72 + -84b = -12 + -72

Combine like terms: 72 + -72 = 0
0 + -84b = -12 + -72
-84b = -12 + -72

Combine like terms: -12 + -72 = -84
-84b = -84

Divide each side by '-84'.
b = 1

Simplifying
b = 1

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