r-7.5=3.1

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Solution for r-7.5=3.1 equation: 


Simplifying
r + -7.5 = 3.1

Reorder the terms:
-7.5 + r = 3.1

Solving
-7.5 + r = 3.1

Solving for variable 'r'.

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

Add '7.5' to each side of the equation.
-7.5 + 7.5 + r = 3.1 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + r = 3.1 + 7.5
r = 3.1 + 7.5

Combine like terms: 3.1 + 7.5 = 10.6
r = 10.6

Simplifying
r = 10.6

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