18+3r=9r

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Solution for 18+3r=9r equation:


Simplifying
18 + 3r = 9r

Solving
18 + 3r = 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
18 + 3r + -9r = 9r + -9r

Combine like terms: 3r + -9r = -6r
18 + -6r = 9r + -9r

Combine like terms: 9r + -9r = 0
18 + -6r = 0

Add '-18' to each side of the equation.
18 + -18 + -6r = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -6r = 0 + -18
-6r = 0 + -18

Combine like terms: 0 + -18 = -18
-6r = -18

Divide each side by '-6'.
r = 3

Simplifying
r = 3

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