9(k-5)+7(k+9)=14k

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Solution for 9(k-5)+7(k+9)=14k equation:


Simplifying
9(k + -5) + 7(k + 9) = 14k

Reorder the terms:
9(-5 + k) + 7(k + 9) = 14k
(-5 * 9 + k * 9) + 7(k + 9) = 14k
(-45 + 9k) + 7(k + 9) = 14k

Reorder the terms:
-45 + 9k + 7(9 + k) = 14k
-45 + 9k + (9 * 7 + k * 7) = 14k
-45 + 9k + (63 + 7k) = 14k

Reorder the terms:
-45 + 63 + 9k + 7k = 14k

Combine like terms: -45 + 63 = 18
18 + 9k + 7k = 14k

Combine like terms: 9k + 7k = 16k
18 + 16k = 14k

Solving
18 + 16k = 14k

Solving for variable 'k'.

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

Add '-14k' to each side of the equation.
18 + 16k + -14k = 14k + -14k

Combine like terms: 16k + -14k = 2k
18 + 2k = 14k + -14k

Combine like terms: 14k + -14k = 0
18 + 2k = 0

Add '-18' to each side of the equation.
18 + -18 + 2k = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 2k = 0 + -18
2k = 0 + -18

Combine like terms: 0 + -18 = -18
2k = -18

Divide each side by '2'.
k = -9

Simplifying
k = -9

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