r-7.7=-7.6

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Solution for r-7.7=-7.6 equation: 


Simplifying
r + -7.7 = -7.6

Reorder the terms:
-7.7 + r = -7.6

Solving
-7.7 + r = -7.6

Solving for variable 'r'.

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

Add '7.7' to each side of the equation.
-7.7 + 7.7 + r = -7.6 + 7.7

Combine like terms: -7.7 + 7.7 = 0.0
0.0 + r = -7.6 + 7.7
r = -7.6 + 7.7

Combine like terms: -7.6 + 7.7 = 0.1
r = 0.1

Simplifying
r = 0.1

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