15=12(2)+b

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Solution for 15=12(2)+b equation:


Simplifying
15 = 12(2) + b

Multiply 12 * 2
15 = 24 + b

Solving
15 = 24 + 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.
15 + -1b = 24 + b + -1b

Combine like terms: b + -1b = 0
15 + -1b = 24 + 0
15 + -1b = 24

Add '-15' to each side of the equation.
15 + -15 + -1b = 24 + -15

Combine like terms: 15 + -15 = 0
0 + -1b = 24 + -15
-1b = 24 + -15

Combine like terms: 24 + -15 = 9
-1b = 9

Divide each side by '-1'.
b = -9

Simplifying
b = -9

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