4k+5=7k-7+9k

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Solution for 4k+5=7k-7+9k equation:


Simplifying
4k + 5 = 7k + -7 + 9k

Reorder the terms:
5 + 4k = 7k + -7 + 9k

Reorder the terms:
5 + 4k = -7 + 7k + 9k

Combine like terms: 7k + 9k = 16k
5 + 4k = -7 + 16k

Solving
5 + 4k = -7 + 16k

Solving for variable 'k'.

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

Add '-16k' to each side of the equation.
5 + 4k + -16k = -7 + 16k + -16k

Combine like terms: 4k + -16k = -12k
5 + -12k = -7 + 16k + -16k

Combine like terms: 16k + -16k = 0
5 + -12k = -7 + 0
5 + -12k = -7

Add '-5' to each side of the equation.
5 + -5 + -12k = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -12k = -7 + -5
-12k = -7 + -5

Combine like terms: -7 + -5 = -12
-12k = -12

Divide each side by '-12'.
k = 1

Simplifying
k = 1

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