4r-2=18+9r

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Solution for 4r-2=18+9r equation:


Simplifying
4r + -2 = 18 + 9r

Reorder the terms:
-2 + 4r = 18 + 9r

Solving
-2 + 4r = 18 + 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.
-2 + 4r + -9r = 18 + 9r + -9r

Combine like terms: 4r + -9r = -5r
-2 + -5r = 18 + 9r + -9r

Combine like terms: 9r + -9r = 0
-2 + -5r = 18 + 0
-2 + -5r = 18

Add '2' to each side of the equation.
-2 + 2 + -5r = 18 + 2

Combine like terms: -2 + 2 = 0
0 + -5r = 18 + 2
-5r = 18 + 2

Combine like terms: 18 + 2 = 20
-5r = 20

Divide each side by '-5'.
r = -4

Simplifying
r = -4

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