-11-r=72

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Solution for -11-r=72 equation: 


Simplifying
-11 + -1r = 72

Solving
-11 + -1r = 72

Solving for variable 'r'.

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

Add '11' to each side of the equation.
-11 + 11 + -1r = 72 + 11

Combine like terms: -11 + 11 = 0
0 + -1r = 72 + 11
-1r = 72 + 11

Combine like terms: 72 + 11 = 83
-1r = 83

Divide each side by '-1'.
r = -83

Simplifying
r = -83

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