9=4(3k-4)-7k

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Solution for 9=4(3k-4)-7k equation:


Simplifying
9 = 4(3k + -4) + -7k

Reorder the terms:
9 = 4(-4 + 3k) + -7k
9 = (-4 * 4 + 3k * 4) + -7k
9 = (-16 + 12k) + -7k

Combine like terms: 12k + -7k = 5k
9 = -16 + 5k

Solving
9 = -16 + 5k

Solving for variable 'k'.

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

Add '-5k' to each side of the equation.
9 + -5k = -16 + 5k + -5k

Combine like terms: 5k + -5k = 0
9 + -5k = -16 + 0
9 + -5k = -16

Add '-9' to each side of the equation.
9 + -9 + -5k = -16 + -9

Combine like terms: 9 + -9 = 0
0 + -5k = -16 + -9
-5k = -16 + -9

Combine like terms: -16 + -9 = -25
-5k = -25

Divide each side by '-5'.
k = 5

Simplifying
k = 5

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