7(k+3)-(-4k-4)=10k

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Solution for 7(k+3)-(-4k-4)=10k equation:


Simplifying
7(k + 3) + -1(-4k + -4) = 10k

Reorder the terms:
7(3 + k) + -1(-4k + -4) = 10k
(3 * 7 + k * 7) + -1(-4k + -4) = 10k
(21 + 7k) + -1(-4k + -4) = 10k

Reorder the terms:
21 + 7k + -1(-4 + -4k) = 10k
21 + 7k + (-4 * -1 + -4k * -1) = 10k
21 + 7k + (4 + 4k) = 10k

Reorder the terms:
21 + 4 + 7k + 4k = 10k

Combine like terms: 21 + 4 = 25
25 + 7k + 4k = 10k

Combine like terms: 7k + 4k = 11k
25 + 11k = 10k

Solving
25 + 11k = 10k

Solving for variable 'k'.

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

Add '-10k' to each side of the equation.
25 + 11k + -10k = 10k + -10k

Combine like terms: 11k + -10k = 1k
25 + 1k = 10k + -10k

Combine like terms: 10k + -10k = 0
25 + 1k = 0

Add '-25' to each side of the equation.
25 + -25 + 1k = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 1k = 0 + -25
1k = 0 + -25

Combine like terms: 0 + -25 = -25
1k = -25

Divide each side by '1'.
k = -25

Simplifying
k = -25

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