3(-5+b)=-72

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Solution for 3(-5+b)=-72 equation: 


Simplifying
3(-5 + b) = -72
(-5 * 3 + b * 3) = -72
(-15 + 3b) = -72

Solving
-15 + 3b = -72

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 = -72 + 15

Combine like terms: -15 + 15 = 0
0 + 3b = -72 + 15
3b = -72 + 15

Combine like terms: -72 + 15 = -57
3b = -57

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

Simplifying
b = -19

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