10r-3r=56

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Solution for 10r-3r=56 equation: 


Simplifying
10r + -3r = 56

Combine like terms: 10r + -3r = 7r
7r = 56

Solving
7r = 56

Solving for variable 'r'.

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

Divide each side by '7'.
r = 8

Simplifying
r = 8

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