5r-3-2r=9

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Solution for 5r-3-2r=9 equation: 


Simplifying
5r + -3 + -2r = 9

Reorder the terms:
-3 + 5r + -2r = 9

Combine like terms: 5r + -2r = 3r
-3 + 3r = 9

Solving
-3 + 3r = 9

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 3r = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 3r = 9 + 3
3r = 9 + 3

Combine like terms: 9 + 3 = 12
3r = 12

Divide each side by '3'.
r = 4

Simplifying
r = 4

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