r-7.2=22.8

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Solution for r-7.2=22.8 equation: 


Simplifying
r + -7.2 = 22.8

Reorder the terms:
-7.2 + r = 22.8

Solving
-7.2 + r = 22.8

Solving for variable 'r'.

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

Add '7.2' to each side of the equation.
-7.2 + 7.2 + r = 22.8 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + r = 22.8 + 7.2
r = 22.8 + 7.2

Combine like terms: 22.8 + 7.2 = 30
r = 30

Simplifying
r = 30

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