x+55+k-120=0

Solution for x+55+k-120=0 equation:

Simplifying
x + 55 + k + -120 = 0

Reorder the terms:
55 + -120 + k + x = 0

Combine like terms: 55 + -120 = -65
-65 + k + x = 0

Solving
-65 + k + x = 0

Solving for variable 'k'.

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

Add '65' to each side of the equation.
-65 + k + 65 + x = 0 + 65

Reorder the terms:
-65 + 65 + k + x = 0 + 65

Combine like terms: -65 + 65 = 0
0 + k + x = 0 + 65
k + x = 0 + 65

Combine like terms: 0 + 65 = 65
k + x = 65

Add '-1x' to each side of the equation.
k + x + -1x = 65 + -1x

Combine like terms: x + -1x = 0
k + 0 = 65 + -1x
k = 65 + -1x

Simplifying
k = 65 + -1x