-8(k+9)+20k=72+3k

Solution for -8(k+9)+20k=72+3k equation:

Simplifying
-8(k + 9) + 20k = 72 + 3k

Reorder the terms:
-8(9 + k) + 20k = 72 + 3k
(9 * -8 + k * -8) + 20k = 72 + 3k
(-72 + -8k) + 20k = 72 + 3k

Combine like terms: -8k + 20k = 12k
-72 + 12k = 72 + 3k

Solving
-72 + 12k = 72 + 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
-72 + 12k + -3k = 72 + 3k + -3k

Combine like terms: 12k + -3k = 9k
-72 + 9k = 72 + 3k + -3k

Combine like terms: 3k + -3k = 0
-72 + 9k = 72 + 0
-72 + 9k = 72

Add '72' to each side of the equation.
-72 + 72 + 9k = 72 + 72

Combine like terms: -72 + 72 = 0
0 + 9k = 72 + 72
9k = 72 + 72

Combine like terms: 72 + 72 = 144
9k = 144

Divide each side by '9'.
k = 16

Simplifying
k = 16