3(15-b)=-12

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Solution for 3(15-b)=-12 equation:


Simplifying
3(15 + -1b) = -12
(15 * 3 + -1b * 3) = -12
(45 + -3b) = -12

Solving
45 + -3b = -12

Solving for variable 'b'.

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

Add '-45' to each side of the equation.
45 + -45 + -3b = -12 + -45

Combine like terms: 45 + -45 = 0
0 + -3b = -12 + -45
-3b = -12 + -45

Combine like terms: -12 + -45 = -57
-3b = -57

Divide each side by '-3'.
b = 19

Simplifying
b = 19

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