85r-87r=70

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Solution for 85r-87r=70 equation: 


Simplifying
85r + -87r = 70

Combine like terms: 85r + -87r = -2r
-2r = 70

Solving
-2r = 70

Solving for variable 'r'.

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

Divide each side by '-2'.
r = -35

Simplifying
r = -35

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