7r=9+4r

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Solution for 7r=9+4r equation: 


Simplifying
7r = 9 + 4r

Solving
7r = 9 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
7r + -4r = 9 + 4r + -4r

Combine like terms: 7r + -4r = 3r
3r = 9 + 4r + -4r

Combine like terms: 4r + -4r = 0
3r = 9 + 0
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

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