4k+9=-7+2k

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Solution for 4k+9=-7+2k equation: 


k in (-oo:+oo)

4*k+9 = 2*k-7 // - 2*k-7

4*k-(2*k)+7+9 = 0

4*k-2*k+7+9 = 0

2*k+16 = 0 // - 16

2*k = -16 // : 2

k = -16/2

k = -8

k = -8

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