2-k+8=9

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Solution for 2-k+8=9 equation:


Simplifying
2 + -1k + 8 = 9

Reorder the terms:
2 + 8 + -1k = 9

Combine like terms: 2 + 8 = 10
10 + -1k = 9

Solving
10 + -1k = 9

Solving for variable 'k'.

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

Add '-10' to each side of the equation.
10 + -10 + -1k = 9 + -10

Combine like terms: 10 + -10 = 0
0 + -1k = 9 + -10
-1k = 9 + -10

Combine like terms: 9 + -10 = -1
-1k = -1

Divide each side by '-1'.
k = 1

Simplifying
k = 1

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