r+2.8=-9.8

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Solution for r+2.8=-9.8 equation: 


Simplifying
r + 2.8 = -9.8

Reorder the terms:
2.8 + r = -9.8

Solving
2.8 + r = -9.8

Solving for variable 'r'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + r = -9.8 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + r = -9.8 + -2.8
r = -9.8 + -2.8

Combine like terms: -9.8 + -2.8 = -12.6
r = -12.6

Simplifying
r = -12.6

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