4(k-4)-8(k+4)=5(3k-4)-9(3k+4)

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Solution for 4(k-4)-8(k+4)=5(3k-4)-9(3k+4) equation:


Simplifying
4(k + -4) + -8(k + 4) = 5(3k + -4) + -9(3k + 4)

Reorder the terms:
4(-4 + k) + -8(k + 4) = 5(3k + -4) + -9(3k + 4)
(-4 * 4 + k * 4) + -8(k + 4) = 5(3k + -4) + -9(3k + 4)
(-16 + 4k) + -8(k + 4) = 5(3k + -4) + -9(3k + 4)

Reorder the terms:
-16 + 4k + -8(4 + k) = 5(3k + -4) + -9(3k + 4)
-16 + 4k + (4 * -8 + k * -8) = 5(3k + -4) + -9(3k + 4)
-16 + 4k + (-32 + -8k) = 5(3k + -4) + -9(3k + 4)

Reorder the terms:
-16 + -32 + 4k + -8k = 5(3k + -4) + -9(3k + 4)

Combine like terms: -16 + -32 = -48
-48 + 4k + -8k = 5(3k + -4) + -9(3k + 4)

Combine like terms: 4k + -8k = -4k
-48 + -4k = 5(3k + -4) + -9(3k + 4)

Reorder the terms:
-48 + -4k = 5(-4 + 3k) + -9(3k + 4)
-48 + -4k = (-4 * 5 + 3k * 5) + -9(3k + 4)
-48 + -4k = (-20 + 15k) + -9(3k + 4)

Reorder the terms:
-48 + -4k = -20 + 15k + -9(4 + 3k)
-48 + -4k = -20 + 15k + (4 * -9 + 3k * -9)
-48 + -4k = -20 + 15k + (-36 + -27k)

Reorder the terms:
-48 + -4k = -20 + -36 + 15k + -27k

Combine like terms: -20 + -36 = -56
-48 + -4k = -56 + 15k + -27k

Combine like terms: 15k + -27k = -12k
-48 + -4k = -56 + -12k

Solving
-48 + -4k = -56 + -12k

Solving for variable 'k'.

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

Add '12k' to each side of the equation.
-48 + -4k + 12k = -56 + -12k + 12k

Combine like terms: -4k + 12k = 8k
-48 + 8k = -56 + -12k + 12k

Combine like terms: -12k + 12k = 0
-48 + 8k = -56 + 0
-48 + 8k = -56

Add '48' to each side of the equation.
-48 + 48 + 8k = -56 + 48

Combine like terms: -48 + 48 = 0
0 + 8k = -56 + 48
8k = -56 + 48

Combine like terms: -56 + 48 = -8
8k = -8

Divide each side by '8'.
k = -1

Simplifying
k = -1

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