-18=2(12-3b)

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Solution for -18=2(12-3b) equation:


Simplifying
-18 = 2(12 + -3b)
-18 = (12 * 2 + -3b * 2)
-18 = (24 + -6b)

Solving
-18 = 24 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
-18 + 6b = 24 + -6b + 6b

Combine like terms: -6b + 6b = 0
-18 + 6b = 24 + 0
-18 + 6b = 24

Add '18' to each side of the equation.
-18 + 18 + 6b = 24 + 18

Combine like terms: -18 + 18 = 0
0 + 6b = 24 + 18
6b = 24 + 18

Combine like terms: 24 + 18 = 42
6b = 42

Divide each side by '6'.
b = 7

Simplifying
b = 7

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