4r+r=9+2r

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Solution for 4r+r=9+2r equation: 


Simplifying
4r + r = 9 + 2r

Combine like terms: 4r + r = 5r
5r = 9 + 2r

Solving
5r = 9 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
5r + -2r = 9 + 2r + -2r

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

Combine like terms: 2r + -2r = 0
3r = 9 + 0
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

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