3r-6+2=20

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Solution for 3r-6+2=20 equation: 


Simplifying
3r + -6 + 2 = 20

Reorder the terms:
-6 + 2 + 3r = 20

Combine like terms: -6 + 2 = -4
-4 + 3r = 20

Solving
-4 + 3r = 20

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 3r = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 3r = 20 + 4
3r = 20 + 4

Combine like terms: 20 + 4 = 24
3r = 24

Divide each side by '3'.
r = 8

Simplifying
r = 8

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