-12(b+11)-8(b+12)=-9b+8b

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


Simplifying
-12(b + 11) + -8(b + 12) = -9b + 8b

Reorder the terms:
-12(11 + b) + -8(b + 12) = -9b + 8b
(11 * -12 + b * -12) + -8(b + 12) = -9b + 8b
(-132 + -12b) + -8(b + 12) = -9b + 8b

Reorder the terms:
-132 + -12b + -8(12 + b) = -9b + 8b
-132 + -12b + (12 * -8 + b * -8) = -9b + 8b
-132 + -12b + (-96 + -8b) = -9b + 8b

Reorder the terms:
-132 + -96 + -12b + -8b = -9b + 8b

Combine like terms: -132 + -96 = -228
-228 + -12b + -8b = -9b + 8b

Combine like terms: -12b + -8b = -20b
-228 + -20b = -9b + 8b

Combine like terms: -9b + 8b = -1b
-228 + -20b = -1b

Solving
-228 + -20b = -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-228 + -20b + b = -1b + b

Combine like terms: -20b + b = -19b
-228 + -19b = -1b + b

Combine like terms: -1b + b = 0
-228 + -19b = 0

Add '228' to each side of the equation.
-228 + 228 + -19b = 0 + 228

Combine like terms: -228 + 228 = 0
0 + -19b = 0 + 228
-19b = 0 + 228

Combine like terms: 0 + 228 = 228
-19b = 228

Divide each side by '-19'.
b = -12

Simplifying
b = -12

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