-72=-6(r-6)

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


Simplifying
-72 = -6(r + -6)

Reorder the terms:
-72 = -6(-6 + r)
-72 = (-6 * -6 + r * -6)
-72 = (36 + -6r)

Solving
-72 = 36 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-72 + 6r = 36 + -6r + 6r

Combine like terms: -6r + 6r = 0
-72 + 6r = 36 + 0
-72 + 6r = 36

Add '72' to each side of the equation.
-72 + 72 + 6r = 36 + 72

Combine like terms: -72 + 72 = 0
0 + 6r = 36 + 72
6r = 36 + 72

Combine like terms: 36 + 72 = 108
6r = 108

Divide each side by '6'.
r = 18

Simplifying
r = 18

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