r-1.17=-12.9

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Solution for r-1.17=-12.9 equation: 


Simplifying
r + -1.17 = -12.9

Reorder the terms:
-1.17 + r = -12.9

Solving
-1.17 + r = -12.9

Solving for variable 'r'.

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

Add '1.17' to each side of the equation.
-1.17 + 1.17 + r = -12.9 + 1.17

Combine like terms: -1.17 + 1.17 = 0.00
0.00 + r = -12.9 + 1.17
r = -12.9 + 1.17

Combine like terms: -12.9 + 1.17 = -11.73
r = -11.73

Simplifying
r = -11.73

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