3(7b-4)=-12+3b

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Solution for 3(7b-4)=-12+3b equation:


Simplifying
3(7b + -4) = -12 + 3b

Reorder the terms:
3(-4 + 7b) = -12 + 3b
(-4 * 3 + 7b * 3) = -12 + 3b
(-12 + 21b) = -12 + 3b

Add '12' to each side of the equation.
-12 + 12 + 21b = -12 + 12 + 3b

Combine like terms: -12 + 12 = 0
0 + 21b = -12 + 12 + 3b
21b = -12 + 12 + 3b

Combine like terms: -12 + 12 = 0
21b = 0 + 3b
21b = 3b

Solving
21b = 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
21b + -3b = 3b + -3b

Combine like terms: 21b + -3b = 18b
18b = 3b + -3b

Combine like terms: 3b + -3b = 0
18b = 0

Divide each side by '18'.
b = 0

Simplifying
b = 0

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