50-5r=87.5

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Solution for 50-5r=87.5 equation: 


Simplifying
50 + -5r = 87.5

Solving
50 + -5r = 87.5

Solving for variable 'r'.

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

Add '-50' to each side of the equation.
50 + -50 + -5r = 87.5 + -50

Combine like terms: 50 + -50 = 0
0 + -5r = 87.5 + -50
-5r = 87.5 + -50

Combine like terms: 87.5 + -50 = 37.5
-5r = 37.5

Divide each side by '-5'.
r = -7.5

Simplifying
r = -7.5

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