9r=8r+15

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Solution for 9r=8r+15 equation: 


Simplifying
9r = 8r + 15

Reorder the terms:
9r = 15 + 8r

Solving
9r = 15 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
9r + -8r = 15 + 8r + -8r

Combine like terms: 9r + -8r = 1r
1r = 15 + 8r + -8r

Combine like terms: 8r + -8r = 0
1r = 15 + 0
1r = 15

Divide each side by '1'.
r = 15

Simplifying
r = 15

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