r+-2.9=9.8

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Solution for r+-2.9=9.8 equation: 


Simplifying
r + -2.9 = 9.8

Reorder the terms:
-2.9 + r = 9.8

Solving
-2.9 + r = 9.8

Solving for variable 'r'.

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

Add '2.9' to each side of the equation.
-2.9 + 2.9 + r = 9.8 + 2.9

Combine like terms: -2.9 + 2.9 = 0.0
0.0 + r = 9.8 + 2.9
r = 9.8 + 2.9

Combine like terms: 9.8 + 2.9 = 12.7
r = 12.7

Simplifying
r = 12.7

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