4(2k-5)-5(4k+1)=2-2(k+3)

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Solution for 4(2k-5)-5(4k+1)=2-2(k+3) equation:


Simplifying
4(2k + -5) + -5(4k + 1) = 2 + -2(k + 3)

Reorder the terms:
4(-5 + 2k) + -5(4k + 1) = 2 + -2(k + 3)
(-5 * 4 + 2k * 4) + -5(4k + 1) = 2 + -2(k + 3)
(-20 + 8k) + -5(4k + 1) = 2 + -2(k + 3)

Reorder the terms:
-20 + 8k + -5(1 + 4k) = 2 + -2(k + 3)
-20 + 8k + (1 * -5 + 4k * -5) = 2 + -2(k + 3)
-20 + 8k + (-5 + -20k) = 2 + -2(k + 3)

Reorder the terms:
-20 + -5 + 8k + -20k = 2 + -2(k + 3)

Combine like terms: -20 + -5 = -25
-25 + 8k + -20k = 2 + -2(k + 3)

Combine like terms: 8k + -20k = -12k
-25 + -12k = 2 + -2(k + 3)

Reorder the terms:
-25 + -12k = 2 + -2(3 + k)
-25 + -12k = 2 + (3 * -2 + k * -2)
-25 + -12k = 2 + (-6 + -2k)

Combine like terms: 2 + -6 = -4
-25 + -12k = -4 + -2k

Solving
-25 + -12k = -4 + -2k

Solving for variable 'k'.

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

Add '2k' to each side of the equation.
-25 + -12k + 2k = -4 + -2k + 2k

Combine like terms: -12k + 2k = -10k
-25 + -10k = -4 + -2k + 2k

Combine like terms: -2k + 2k = 0
-25 + -10k = -4 + 0
-25 + -10k = -4

Add '25' to each side of the equation.
-25 + 25 + -10k = -4 + 25

Combine like terms: -25 + 25 = 0
0 + -10k = -4 + 25
-10k = -4 + 25

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

Divide each side by '-10'.
k = -2.1

Simplifying
k = -2.1

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