k-5*3-6=0.5

Solution for k-5*3-6=0.5 equation:

Simplifying
k + -5 * 3 + -6 = 0.5

Multiply -5 * 3
k + -15 + -6 = 0.5

Reorder the terms:
-15 + -6 + k = 0.5

Combine like terms: -15 + -6 = -21
-21 + k = 0.5

Solving
-21 + k = 0.5

Solving for variable 'k'.

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

Add '21' to each side of the equation.
-21 + 21 + k = 0.5 + 21

Combine like terms: -21 + 21 = 0
0 + k = 0.5 + 21
k = 0.5 + 21

Combine like terms: 0.5 + 21 = 21.5
k = 21.5

Simplifying
k = 21.5