r-1.3=1.2

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Solution for r-1.3=1.2 equation: 


Simplifying
r + -1.3 = 1.2

Reorder the terms:
-1.3 + r = 1.2

Solving
-1.3 + r = 1.2

Solving for variable 'r'.

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

Add '1.3' to each side of the equation.
-1.3 + 1.3 + r = 1.2 + 1.3

Combine like terms: -1.3 + 1.3 = 0.0
0.0 + r = 1.2 + 1.3
r = 1.2 + 1.3

Combine like terms: 1.2 + 1.3 = 2.5
r = 2.5

Simplifying
r = 2.5

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