-9r+5=12

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Solution for -9r+5=12 equation: 


Simplifying
-9r + 5 = 12

Reorder the terms:
5 + -9r = 12

Solving
5 + -9r = 12

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + -9r = 12 + -5

Combine like terms: 5 + -5 = 0
0 + -9r = 12 + -5
-9r = 12 + -5

Combine like terms: 12 + -5 = 7
-9r = 7

Divide each side by '-9'.
r = -0.7777777778

Simplifying
r = -0.7777777778

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