-9+10r=111

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Solution for -9+10r=111 equation: 


Simplifying
-9 + 10r = 111

Solving
-9 + 10r = 111

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 10r = 111 + 9

Combine like terms: -9 + 9 = 0
0 + 10r = 111 + 9
10r = 111 + 9

Combine like terms: 111 + 9 = 120
10r = 120

Divide each side by '10'.
r = 12

Simplifying
r = 12

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