22=12r+4r-5r

Solution for 22=12r+4r-5r equation:

Simplifying
22 = 12r + 4r + -5r

Combine like terms: 12r + 4r = 16r
22 = 16r + -5r

Combine like terms: 16r + -5r = 11r
22 = 11r

Solving
22 = 11r

Solving for variable 'r'.

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

Add '-11r' to each side of the equation.
22 + -11r = 11r + -11r

Combine like terms: 11r + -11r = 0
22 + -11r = 0

Add '-22' to each side of the equation.
22 + -22 + -11r = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -11r = 0 + -22
-11r = 0 + -22

Combine like terms: 0 + -22 = -22
-11r = -22

Divide each side by '-11'.
r = 2

Simplifying
r = 2