r-1.5=3.9

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Solution for r-1.5=3.9 equation: 


Simplifying
r + -1.5 = 3.9

Reorder the terms:
-1.5 + r = 3.9

Solving
-1.5 + r = 3.9

Solving for variable 'r'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + r = 3.9 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + r = 3.9 + 1.5
r = 3.9 + 1.5

Combine like terms: 3.9 + 1.5 = 5.4
r = 5.4

Simplifying
r = 5.4

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