12b-8+2b-b=-87

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Solution for 12b-8+2b-b=-87 equation:


Simplifying
12b + -8 + 2b + -1b = -87

Reorder the terms:
-8 + 12b + 2b + -1b = -87

Combine like terms: 12b + 2b = 14b
-8 + 14b + -1b = -87

Combine like terms: 14b + -1b = 13b
-8 + 13b = -87

Solving
-8 + 13b = -87

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 13b = -87 + 8

Combine like terms: -8 + 8 = 0
0 + 13b = -87 + 8
13b = -87 + 8

Combine like terms: -87 + 8 = -79
13b = -79

Divide each side by '13'.
b = -6.076923077

Simplifying
b = -6.076923077

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