-3(5b-4)=72

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Solution for -3(5b-4)=72 equation:


Simplifying
-3(5b + -4) = 72

Reorder the terms:
-3(-4 + 5b) = 72
(-4 * -3 + 5b * -3) = 72
(12 + -15b) = 72

Solving
12 + -15b = 72

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -15b = 72 + -12

Combine like terms: 12 + -12 = 0
0 + -15b = 72 + -12
-15b = 72 + -12

Combine like terms: 72 + -12 = 60
-15b = 60

Divide each side by '-15'.
b = -4

Simplifying
b = -4

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