6r-4=20r-2r

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Solution for 6r-4=20r-2r equation:


Simplifying
6r + -4 = 20r + -2r

Reorder the terms:
-4 + 6r = 20r + -2r

Combine like terms: 20r + -2r = 18r
-4 + 6r = 18r

Solving
-4 + 6r = 18r

Solving for variable 'r'.

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

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

Combine like terms: 6r + -18r = -12r
-4 + -12r = 18r + -18r

Combine like terms: 18r + -18r = 0
-4 + -12r = 0

Add '4' to each side of the equation.
-4 + 4 + -12r = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -12r = 0 + 4
-12r = 0 + 4

Combine like terms: 0 + 4 = 4
-12r = 4

Divide each side by '-12'.
r = -0.3333333333

Simplifying
r = -0.3333333333

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