9(k-4)+2k=2(k-1)+7k

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Solution for 9(k-4)+2k=2(k-1)+7k equation:


Simplifying
9(k + -4) + 2k = 2(k + -1) + 7k

Reorder the terms:
9(-4 + k) + 2k = 2(k + -1) + 7k
(-4 * 9 + k * 9) + 2k = 2(k + -1) + 7k
(-36 + 9k) + 2k = 2(k + -1) + 7k

Combine like terms: 9k + 2k = 11k
-36 + 11k = 2(k + -1) + 7k

Reorder the terms:
-36 + 11k = 2(-1 + k) + 7k
-36 + 11k = (-1 * 2 + k * 2) + 7k
-36 + 11k = (-2 + 2k) + 7k

Combine like terms: 2k + 7k = 9k
-36 + 11k = -2 + 9k

Solving
-36 + 11k = -2 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
-36 + 11k + -9k = -2 + 9k + -9k

Combine like terms: 11k + -9k = 2k
-36 + 2k = -2 + 9k + -9k

Combine like terms: 9k + -9k = 0
-36 + 2k = -2 + 0
-36 + 2k = -2

Add '36' to each side of the equation.
-36 + 36 + 2k = -2 + 36

Combine like terms: -36 + 36 = 0
0 + 2k = -2 + 36
2k = -2 + 36

Combine like terms: -2 + 36 = 34
2k = 34

Divide each side by '2'.
k = 17

Simplifying
k = 17

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