6r-9=9+9r

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


Simplifying
6r + -9 = 9 + 9r

Reorder the terms:
-9 + 6r = 9 + 9r

Solving
-9 + 6r = 9 + 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.
-9 + 6r + -9r = 9 + 9r + -9r

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

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

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

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

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

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

Simplifying
r = -6

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