5(5-k)-7(7+k)=0

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Solution for 5(5-k)-7(7+k)=0 equation:


Simplifying
5(5 + -1k) + -7(7 + k) = 0
(5 * 5 + -1k * 5) + -7(7 + k) = 0
(25 + -5k) + -7(7 + k) = 0
25 + -5k + (7 * -7 + k * -7) = 0
25 + -5k + (-49 + -7k) = 0

Reorder the terms:
25 + -49 + -5k + -7k = 0

Combine like terms: 25 + -49 = -24
-24 + -5k + -7k = 0

Combine like terms: -5k + -7k = -12k
-24 + -12k = 0

Solving
-24 + -12k = 0

Solving for variable 'k'.

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

Add '24' to each side of the equation.
-24 + 24 + -12k = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -12k = 0 + 24
-12k = 0 + 24

Combine like terms: 0 + 24 = 24
-12k = 24

Divide each side by '-12'.
k = -2

Simplifying
k = -2

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