180=(8b-12)+(2b+5)

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Solution for 180=(8b-12)+(2b+5) equation:


Simplifying
180 = (8b + -12) + (2b + 5)

Reorder the terms:
180 = (-12 + 8b) + (2b + 5)

Remove parenthesis around (-12 + 8b)
180 = -12 + 8b + (2b + 5)

Reorder the terms:
180 = -12 + 8b + (5 + 2b)

Remove parenthesis around (5 + 2b)
180 = -12 + 8b + 5 + 2b

Reorder the terms:
180 = -12 + 5 + 8b + 2b

Combine like terms: -12 + 5 = -7
180 = -7 + 8b + 2b

Combine like terms: 8b + 2b = 10b
180 = -7 + 10b

Solving
180 = -7 + 10b

Solving for variable 'b'.

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

Add '-10b' to each side of the equation.
180 + -10b = -7 + 10b + -10b

Combine like terms: 10b + -10b = 0
180 + -10b = -7 + 0
180 + -10b = -7

Add '-180' to each side of the equation.
180 + -180 + -10b = -7 + -180

Combine like terms: 180 + -180 = 0
0 + -10b = -7 + -180
-10b = -7 + -180

Combine like terms: -7 + -180 = -187
-10b = -187

Divide each side by '-10'.
b = 18.7

Simplifying
b = 18.7

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