18=3(b-4)

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Solution for 18=3(b-4) equation:


Simplifying
18 = 3(b + -4)

Reorder the terms:
18 = 3(-4 + b)
18 = (-4 * 3 + b * 3)
18 = (-12 + 3b)

Solving
18 = -12 + 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.
18 + -3b = -12 + 3b + -3b

Combine like terms: 3b + -3b = 0
18 + -3b = -12 + 0
18 + -3b = -12

Add '-18' to each side of the equation.
18 + -18 + -3b = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -3b = -12 + -18
-3b = -12 + -18

Combine like terms: -12 + -18 = -30
-3b = -30

Divide each side by '-3'.
b = 10

Simplifying
b = 10

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