15-3b=12

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Solution for 15-3b=12 equation:


Simplifying
15 + -3b = 12

Solving
15 + -3b = 12

Solving for variable 'b'.

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

Add '-15' to each side of the equation.
15 + -15 + -3b = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -3b = 12 + -15
-3b = 12 + -15

Combine like terms: 12 + -15 = -3
-3b = -3

Divide each side by '-3'.
b = 1

Simplifying
b = 1

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