r-9.1=-9.8

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Solution for r-9.1=-9.8 equation: 


Simplifying
r + -9.1 = -9.8

Reorder the terms:
-9.1 + r = -9.8

Solving
-9.1 + r = -9.8

Solving for variable 'r'.

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

Add '9.1' to each side of the equation.
-9.1 + 9.1 + r = -9.8 + 9.1

Combine like terms: -9.1 + 9.1 = 0.0
0.0 + r = -9.8 + 9.1
r = -9.8 + 9.1

Combine like terms: -9.8 + 9.1 = -0.7
r = -0.7

Simplifying
r = -0.7

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