7(k-9)-(-7k-5)=13k

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Solution for 7(k-9)-(-7k-5)=13k equation:


Simplifying
7(k + -9) + -1(-7k + -5) = 13k

Reorder the terms:
7(-9 + k) + -1(-7k + -5) = 13k
(-9 * 7 + k * 7) + -1(-7k + -5) = 13k
(-63 + 7k) + -1(-7k + -5) = 13k

Reorder the terms:
-63 + 7k + -1(-5 + -7k) = 13k
-63 + 7k + (-5 * -1 + -7k * -1) = 13k
-63 + 7k + (5 + 7k) = 13k

Reorder the terms:
-63 + 5 + 7k + 7k = 13k

Combine like terms: -63 + 5 = -58
-58 + 7k + 7k = 13k

Combine like terms: 7k + 7k = 14k
-58 + 14k = 13k

Solving
-58 + 14k = 13k

Solving for variable 'k'.

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

Add '-13k' to each side of the equation.
-58 + 14k + -13k = 13k + -13k

Combine like terms: 14k + -13k = 1k
-58 + 1k = 13k + -13k

Combine like terms: 13k + -13k = 0
-58 + 1k = 0

Add '58' to each side of the equation.
-58 + 58 + 1k = 0 + 58

Combine like terms: -58 + 58 = 0
0 + 1k = 0 + 58
1k = 0 + 58

Combine like terms: 0 + 58 = 58
1k = 58

Divide each side by '1'.
k = 58

Simplifying
k = 58

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