18=5k+4k

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Solution for 18=5k+4k equation:


Simplifying
18 = 5k + 4k

Combine like terms: 5k + 4k = 9k
18 = 9k

Solving
18 = 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
18 + -9k = 9k + -9k

Combine like terms: 9k + -9k = 0
18 + -9k = 0

Add '-18' to each side of the equation.
18 + -18 + -9k = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -9k = 0 + -18
-9k = 0 + -18

Combine like terms: 0 + -18 = -18
-9k = -18

Divide each side by '-9'.
k = 2

Simplifying
k = 2

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