4k+5=k+20

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Solution for 4k+5=k+20 equation:


k in (-oo:+oo)

4*k+5 = k+20 // - k+20

4*k-k-20+5 = 0

3*k-15 = 0 // + 15

3*k = 15 // : 3

k = 15/3

k = 5

k = 5

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