k+9=2k+1

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Solution for k+9=2k+1 equation:


Simplifying
k + 9 = 2k + 1

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

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

Solving
9 + k = 1 + 2k

Solving for variable 'k'.

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

Add '-2k' to each side of the equation.
9 + k + -2k = 1 + 2k + -2k

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

Combine like terms: 2k + -2k = 0
9 + -1k = 1 + 0
9 + -1k = 1

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

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

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

Divide each side by '-1'.
k = 8

Simplifying
k = 8

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