12v-9+2b-b=-87

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Solution for 12v-9+2b-b=-87 equation:


Simplifying
12v + -9 + 2b + -1b = -87

Reorder the terms:
-9 + 2b + -1b + 12v = -87

Combine like terms: 2b + -1b = 1b
-9 + 1b + 12v = -87

Solving
-9 + 1b + 12v = -87

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 1b + 9 + 12v = -87 + 9

Reorder the terms:
-9 + 9 + 1b + 12v = -87 + 9

Combine like terms: -9 + 9 = 0
0 + 1b + 12v = -87 + 9
1b + 12v = -87 + 9

Combine like terms: -87 + 9 = -78
1b + 12v = -78

Add '-12v' to each side of the equation.
1b + 12v + -12v = -78 + -12v

Combine like terms: 12v + -12v = 0
1b + 0 = -78 + -12v
1b = -78 + -12v

Divide each side by '1'.
b = -78 + -12v

Simplifying
b = -78 + -12v

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