-12+9r=60

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Solution for -12+9r=60 equation: 


Simplifying
-12 + 9r = 60

Solving
-12 + 9r = 60

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 9r = 60 + 12

Combine like terms: -12 + 12 = 0
0 + 9r = 60 + 12
9r = 60 + 12

Combine like terms: 60 + 12 = 72
9r = 72

Divide each side by '9'.
r = 8

Simplifying
r = 8

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