7(k+3)-(-2k-5)=8k

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Solution for 7(k+3)-(-2k-5)=8k equation:


Simplifying
7(k + 3) + -1(-2k + -5) = 8k

Reorder the terms:
7(3 + k) + -1(-2k + -5) = 8k
(3 * 7 + k * 7) + -1(-2k + -5) = 8k
(21 + 7k) + -1(-2k + -5) = 8k

Reorder the terms:
21 + 7k + -1(-5 + -2k) = 8k
21 + 7k + (-5 * -1 + -2k * -1) = 8k
21 + 7k + (5 + 2k) = 8k

Reorder the terms:
21 + 5 + 7k + 2k = 8k

Combine like terms: 21 + 5 = 26
26 + 7k + 2k = 8k

Combine like terms: 7k + 2k = 9k
26 + 9k = 8k

Solving
26 + 9k = 8k

Solving for variable 'k'.

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

Add '-8k' to each side of the equation.
26 + 9k + -8k = 8k + -8k

Combine like terms: 9k + -8k = 1k
26 + 1k = 8k + -8k

Combine like terms: 8k + -8k = 0
26 + 1k = 0

Add '-26' to each side of the equation.
26 + -26 + 1k = 0 + -26

Combine like terms: 26 + -26 = 0
0 + 1k = 0 + -26
1k = 0 + -26

Combine like terms: 0 + -26 = -26
1k = -26

Divide each side by '1'.
k = -26

Simplifying
k = -26

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