8+9k=4k+7k

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Solution for 8+9k=4k+7k equation:


Simplifying
8 + 9k = 4k + 7k

Combine like terms: 4k + 7k = 11k
8 + 9k = 11k

Solving
8 + 9k = 11k

Solving for variable 'k'.

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

Add '-11k' to each side of the equation.
8 + 9k + -11k = 11k + -11k

Combine like terms: 9k + -11k = -2k
8 + -2k = 11k + -11k

Combine like terms: 11k + -11k = 0
8 + -2k = 0

Add '-8' to each side of the equation.
8 + -8 + -2k = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2k = 0 + -8
-2k = 0 + -8

Combine like terms: 0 + -8 = -8
-2k = -8

Divide each side by '-2'.
k = 4

Simplifying
k = 4

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