-4(-6+r)=72

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Solution for -4(-6+r)=72 equation: 


Simplifying
-4(-6 + r) = 72
(-6 * -4 + r * -4) = 72
(24 + -4r) = 72

Solving
24 + -4r = 72

Solving for variable 'r'.

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

Add '-24' to each side of the equation.
24 + -24 + -4r = 72 + -24

Combine like terms: 24 + -24 = 0
0 + -4r = 72 + -24
-4r = 72 + -24

Combine like terms: 72 + -24 = 48
-4r = 48

Divide each side by '-4'.
r = -12

Simplifying
r = -12

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