2r-6=18-2r

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Solution for 2r-6=18-2r equation:


Simplifying
2r + -6 = 18 + -2r

Reorder the terms:
-6 + 2r = 18 + -2r

Solving
-6 + 2r = 18 + -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.
-6 + 2r + 2r = 18 + -2r + 2r

Combine like terms: 2r + 2r = 4r
-6 + 4r = 18 + -2r + 2r

Combine like terms: -2r + 2r = 0
-6 + 4r = 18 + 0
-6 + 4r = 18

Add '6' to each side of the equation.
-6 + 6 + 4r = 18 + 6

Combine like terms: -6 + 6 = 0
0 + 4r = 18 + 6
4r = 18 + 6

Combine like terms: 18 + 6 = 24
4r = 24

Divide each side by '4'.
r = 6

Simplifying
r = 6

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