k+9=-7k-7 - solution

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Solution for k+9=-7k-7 equation:

k in (-oo:+oo)

k+9 = -7*k-7 // + -7*k-7

k-(-7*k)+7+9 = 0

k+7*k+7+9 = 0

8*k+16 = 0 // - 16

8*k = -16 // : 8

k = -16/8

k = -2

k = -2

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