-2k-9=10+7k+8

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Solution for -2k-9=10+7k+8 equation:


Simplifying
-2k + -9 = 10 + 7k + 8

Reorder the terms:
-9 + -2k = 10 + 7k + 8

Reorder the terms:
-9 + -2k = 10 + 8 + 7k

Combine like terms: 10 + 8 = 18
-9 + -2k = 18 + 7k

Solving
-9 + -2k = 18 + 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
-9 + -2k + -7k = 18 + 7k + -7k

Combine like terms: -2k + -7k = -9k
-9 + -9k = 18 + 7k + -7k

Combine like terms: 7k + -7k = 0
-9 + -9k = 18 + 0
-9 + -9k = 18

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

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

Combine like terms: 18 + 9 = 27
-9k = 27

Divide each side by '-9'.
k = -3

Simplifying
k = -3

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