3r-r=10

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Solution for 3r-r=10 equation: 


Simplifying
3r + -1r = 10

Combine like terms: 3r + -1r = 2r
2r = 10

Solving
2r = 10

Solving for variable 'r'.

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

Divide each side by '2'.
r = 5

Simplifying
r = 5

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