-72=-7+5r

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Solution for -72=-7+5r equation:


Simplifying
-72 = -7 + 5r

Solving
-72 = -7 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-72 + -5r = -7 + 5r + -5r

Combine like terms: 5r + -5r = 0
-72 + -5r = -7 + 0
-72 + -5r = -7

Add '72' to each side of the equation.
-72 + 72 + -5r = -7 + 72

Combine like terms: -72 + 72 = 0
0 + -5r = -7 + 72
-5r = -7 + 72

Combine like terms: -7 + 72 = 65
-5r = 65

Divide each side by '-5'.
r = -13

Simplifying
r = -13

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