9r-8=10

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Solution for 9r-8=10 equation: 


Simplifying
9r + -8 = 10

Reorder the terms:
-8 + 9r = 10

Solving
-8 + 9r = 10

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 9r = 10 + 8

Combine like terms: -8 + 8 = 0
0 + 9r = 10 + 8
9r = 10 + 8

Combine like terms: 10 + 8 = 18
9r = 18

Divide each side by '9'.
r = 2

Simplifying
r = 2

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