11=20-k*3

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Solution for 11=20-k*3 equation:


Simplifying
11 = 20 + -1k * 3

Reorder the terms for easier multiplication:
11 = 20 + -1 * 3k

Multiply -1 * 3
11 = 20 + -3k

Solving
11 = 20 + -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.
11 + 3k = 20 + -3k + 3k

Combine like terms: -3k + 3k = 0
11 + 3k = 20 + 0
11 + 3k = 20

Add '-11' to each side of the equation.
11 + -11 + 3k = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3k = 20 + -11
3k = 20 + -11

Combine like terms: 20 + -11 = 9
3k = 9

Divide each side by '3'.
k = 3

Simplifying
k = 3

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