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

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


Simplifying
9b + -9b = 11(b + -7) + 8(b + 12)

Combine like terms: 9b + -9b = 0
0 = 11(b + -7) + 8(b + 12)

Reorder the terms:
0 = 11(-7 + b) + 8(b + 12)
0 = (-7 * 11 + b * 11) + 8(b + 12)
0 = (-77 + 11b) + 8(b + 12)

Reorder the terms:
0 = -77 + 11b + 8(12 + b)
0 = -77 + 11b + (12 * 8 + b * 8)
0 = -77 + 11b + (96 + 8b)

Reorder the terms:
0 = -77 + 96 + 11b + 8b

Combine like terms: -77 + 96 = 19
0 = 19 + 11b + 8b

Combine like terms: 11b + 8b = 19b
0 = 19 + 19b

Solving
0 = 19 + 19b

Solving for variable 'b'.

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

Add '-19b' to each side of the equation.
0 + -19b = 19 + 19b + -19b
Remove the zero:
-19b = 19 + 19b + -19b

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

Divide each side by '-19'.
b = -1

Simplifying
b = -1

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