8r-7r=15

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Solution for 8r-7r=15 equation: 


Simplifying
8r + -7r = 15

Combine like terms: 8r + -7r = 1r
1r = 15

Solving
1r = 15

Solving for variable 'r'.

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

Divide each side by '1'.
r = 15

Simplifying
r = 15

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