4*20-22=r

Solution for 4*20-22=r equation:

Simplifying
4 * 20 + -22 = r

Multiply 4 * 20
80 + -22 = r

Combine like terms: 80 + -22 = 58
58 = r

Solving
58 = r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
58 + -1r = r + -1r

Combine like terms: r + -1r = 0
58 + -1r = 0

Add '-58' to each side of the equation.
58 + -58 + -1r = 0 + -58

Combine like terms: 58 + -58 = 0
0 + -1r = 0 + -58
-1r = 0 + -58

Combine like terms: 0 + -58 = -58
-1r = -58

Divide each side by '-1'.
r = 58

Simplifying
r = 58