r-7.2=-3.2

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Solution for r-7.2=-3.2 equation: 


Simplifying
r + -7.2 = -3.2

Reorder the terms:
-7.2 + r = -3.2

Solving
-7.2 + r = -3.2

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 = -3.2 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + r = -3.2 + 7.2
r = -3.2 + 7.2

Combine like terms: -3.2 + 7.2 = 4
r = 4

Simplifying
r = 4

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