8(1+4k)-k=-40+7k

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Solution for 8(1+4k)-k=-40+7k equation:


Simplifying
8(1 + 4k) + -1k = -40 + 7k
(1 * 8 + 4k * 8) + -1k = -40 + 7k
(8 + 32k) + -1k = -40 + 7k

Combine like terms: 32k + -1k = 31k
8 + 31k = -40 + 7k

Solving
8 + 31k = -40 + 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
8 + 31k + -7k = -40 + 7k + -7k

Combine like terms: 31k + -7k = 24k
8 + 24k = -40 + 7k + -7k

Combine like terms: 7k + -7k = 0
8 + 24k = -40 + 0
8 + 24k = -40

Add '-8' to each side of the equation.
8 + -8 + 24k = -40 + -8

Combine like terms: 8 + -8 = 0
0 + 24k = -40 + -8
24k = -40 + -8

Combine like terms: -40 + -8 = -48
24k = -48

Divide each side by '24'.
k = -2

Simplifying
k = -2

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