18-9k=-20+10k

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Solution for 18-9k=-20+10k equation:


Simplifying
18 + -9k = -20 + 10k

Solving
18 + -9k = -20 + 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.
18 + -9k + -10k = -20 + 10k + -10k

Combine like terms: -9k + -10k = -19k
18 + -19k = -20 + 10k + -10k

Combine like terms: 10k + -10k = 0
18 + -19k = -20 + 0
18 + -19k = -20

Add '-18' to each side of the equation.
18 + -18 + -19k = -20 + -18

Combine like terms: 18 + -18 = 0
0 + -19k = -20 + -18
-19k = -20 + -18

Combine like terms: -20 + -18 = -38
-19k = -38

Divide each side by '-19'.
k = 2

Simplifying
k = 2

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