2(k+20)=10k

Solution for 2(k+20)=10k equation:

Simplifying
2(k + 20) = 10k

Reorder the terms:
2(20 + k) = 10k
(20 * 2 + k * 2) = 10k
(40 + 2k) = 10k

Solving
40 + 2k = 10k

Solving for variable 'k'.

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

Add '-10k' to each side of the equation.
40 + 2k + -10k = 10k + -10k

Combine like terms: 2k + -10k = -8k
40 + -8k = 10k + -10k

Combine like terms: 10k + -10k = 0
40 + -8k = 0

Add '-40' to each side of the equation.
40 + -40 + -8k = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -8k = 0 + -40
-8k = 0 + -40

Combine like terms: 0 + -40 = -40
-8k = -40

Divide each side by '-8'.
k = 5

Simplifying
k = 5