15.1-r=8.9

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Solution for 15.1-r=8.9 equation: 


Simplifying
15.1 + -1r = 8.9

Solving
15.1 + -1r = 8.9

Solving for variable 'r'.

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

Add '-15.1' to each side of the equation.
15.1 + -15.1 + -1r = 8.9 + -15.1

Combine like terms: 15.1 + -15.1 = 0.0
0.0 + -1r = 8.9 + -15.1
-1r = 8.9 + -15.1

Combine like terms: 8.9 + -15.1 = -6.2
-1r = -6.2

Divide each side by '-1'.
r = 6.2

Simplifying
r = 6.2

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