-7+r=-7.8

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Solution for -7+r=-7.8 equation: 


Simplifying
-7 + r = -7.8

Solving
-7 + r = -7.8

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + r = -7.8 + 7

Combine like terms: -7 + 7 = 0
0 + r = -7.8 + 7
r = -7.8 + 7

Combine like terms: -7.8 + 7 = -0.8
r = -0.8

Simplifying
r = -0.8

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