12-(-6b)+9b+(3-2)=7+b

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Solution for 12-(-6b)+9b+(3-2)=7+b equation:


Simplifying
12 + -1(-6b) + 9b + (3 + -2) = 7 + b

Remove parenthesis around (-6b)
12 + -1 * -6b + 9b + (3 + -2) = 7 + b

Multiply -1 * -6
12 + 6b + 9b + (3 + -2) = 7 + b

Combine like terms: 3 + -2 = 1
12 + 6b + 9b + (1) = 7 + b
12 + 6b + 9b + 1 = 7 + b

Reorder the terms:
12 + 1 + 6b + 9b = 7 + b

Combine like terms: 12 + 1 = 13
13 + 6b + 9b = 7 + b

Combine like terms: 6b + 9b = 15b
13 + 15b = 7 + b

Solving
13 + 15b = 7 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
13 + 15b + -1b = 7 + b + -1b

Combine like terms: 15b + -1b = 14b
13 + 14b = 7 + b + -1b

Combine like terms: b + -1b = 0
13 + 14b = 7 + 0
13 + 14b = 7

Add '-13' to each side of the equation.
13 + -13 + 14b = 7 + -13

Combine like terms: 13 + -13 = 0
0 + 14b = 7 + -13
14b = 7 + -13

Combine like terms: 7 + -13 = -6
14b = -6

Divide each side by '14'.
b = -0.4285714286

Simplifying
b = -0.4285714286

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