18-9r=-6r

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Solution for 18-9r=-6r equation:


Simplifying
18 + -9r = -6r

Solving
18 + -9r = -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
18 + -9r + 6r = -6r + 6r

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

Combine like terms: -6r + 6r = 0
18 + -3r = 0

Add '-18' to each side of the equation.
18 + -18 + -3r = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -3r = 0 + -18
-3r = 0 + -18

Combine like terms: 0 + -18 = -18
-3r = -18

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

Simplifying
r = 6

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