-18=7k+2k

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Solution for -18=7k+2k equation:


Simplifying
-18 = 7k + 2k

Combine like terms: 7k + 2k = 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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