r-7.5=1.2

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Solution for r-7.5=1.2 equation: 


Simplifying
r + -7.5 = 1.2

Reorder the terms:
-7.5 + r = 1.2

Solving
-7.5 + r = 1.2

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 = 1.2 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + r = 1.2 + 7.5
r = 1.2 + 7.5

Combine like terms: 1.2 + 7.5 = 8.7
r = 8.7

Simplifying
r = 8.7

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