3r-7r=32

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Solution for 3r-7r=32 equation: 


Simplifying
3r + -7r = 32

Combine like terms: 3r + -7r = -4r
-4r = 32

Solving
-4r = 32

Solving for variable 'r'.

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

Divide each side by '-4'.
r = -8

Simplifying
r = -8

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