81.9=32.76+9.1r

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Solution for 81.9=32.76+9.1r equation: 


Simplifying
81.9 = 32.76 + 9.1r

Solving
81.9 = 32.76 + 9.1r

Solving for variable 'r'.

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

Add '-9.1r' to each side of the equation.
81.9 + -9.1r = 32.76 + 9.1r + -9.1r

Combine like terms: 9.1r + -9.1r = 0.0
81.9 + -9.1r = 32.76 + 0.0
81.9 + -9.1r = 32.76

Add '-81.9' to each side of the equation.
81.9 + -81.9 + -9.1r = 32.76 + -81.9

Combine like terms: 81.9 + -81.9 = 0.0
0.0 + -9.1r = 32.76 + -81.9
-9.1r = 32.76 + -81.9

Combine like terms: 32.76 + -81.9 = -49.14
-9.1r = -49.14

Divide each side by '-9.1'.
r = 5.4

Simplifying
r = 5.4

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