-r+2=20+5r

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Solution for -r+2=20+5r equation:


Simplifying
-1r + 2 = 20 + 5r

Reorder the terms:
2 + -1r = 20 + 5r

Solving
2 + -1r = 20 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
2 + -1r + -5r = 20 + 5r + -5r

Combine like terms: -1r + -5r = -6r
2 + -6r = 20 + 5r + -5r

Combine like terms: 5r + -5r = 0
2 + -6r = 20 + 0
2 + -6r = 20

Add '-2' to each side of the equation.
2 + -2 + -6r = 20 + -2

Combine like terms: 2 + -2 = 0
0 + -6r = 20 + -2
-6r = 20 + -2

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

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

Simplifying
r = -3

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