7k+5k=3(-5k-4)+12(1+k)

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Solution for 7k+5k=3(-5k-4)+12(1+k) equation:


Simplifying
7k + 5k = 3(-5k + -4) + 12(1 + k)

Combine like terms: 7k + 5k = 12k
12k = 3(-5k + -4) + 12(1 + k)

Reorder the terms:
12k = 3(-4 + -5k) + 12(1 + k)
12k = (-4 * 3 + -5k * 3) + 12(1 + k)
12k = (-12 + -15k) + 12(1 + k)
12k = -12 + -15k + (1 * 12 + k * 12)
12k = -12 + -15k + (12 + 12k)

Reorder the terms:
12k = -12 + 12 + -15k + 12k

Combine like terms: -12 + 12 = 0
12k = 0 + -15k + 12k
12k = -15k + 12k

Combine like terms: -15k + 12k = -3k
12k = -3k

Solving
12k = -3k

Solving for variable 'k'.

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

Add '3k' to each side of the equation.
12k + 3k = -3k + 3k

Combine like terms: 12k + 3k = 15k
15k = -3k + 3k

Combine like terms: -3k + 3k = 0
15k = 0

Divide each side by '15'.
k = 0

Simplifying
k = 0

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