-9r+12=-12

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Solution for -9r+12=-12 equation: 


Simplifying
-9r + 12 = -12

Reorder the terms:
12 + -9r = -12

Solving
12 + -9r = -12

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 = -12 + -12

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

Combine like terms: -12 + -12 = -24
-9r = -24

Divide each side by '-9'.
r = 2.666666667

Simplifying
r = 2.666666667

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