2+2k+4k=-40 - solution

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Solution for 2+2k+4k=-40 equation:

k in (-oo:+oo)

2*k+4*k+2 = -40 // + 40

2*k+4*k+2+40 = 0

6*k+42 = 0 // - 42

6*k = -42 // : 6

k = -42/6

k = -7

k = -7

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