12=4(b-2)+b

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Solution for 12=4(b-2)+b equation:


Simplifying
12 = 4(b + -2) + b

Reorder the terms:
12 = 4(-2 + b) + b
12 = (-2 * 4 + b * 4) + b
12 = (-8 + 4b) + b

Combine like terms: 4b + b = 5b
12 = -8 + 5b

Solving
12 = -8 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
12 + -5b = -8 + 5b + -5b

Combine like terms: 5b + -5b = 0
12 + -5b = -8 + 0
12 + -5b = -8

Add '-12' to each side of the equation.
12 + -12 + -5b = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -5b = -8 + -12
-5b = -8 + -12

Combine like terms: -8 + -12 = -20
-5b = -20

Divide each side by '-5'.
b = 4

Simplifying
b = 4

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