22=1/2(22^2-n)

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Solution for 22=1/2(22^2-n) equation: 


n in (-oo:+oo)

22 = (1/2)*(22^2-n) // - (1/2)*(22^2-n)

22-((1/2)*(22^2-n)) = 0

(-1/2)*(22^2-n)+22 = 0

22-1/2*(484-n) = 0

22-1/2*(484-n) = 0

1/2*n-220 = 0

1/2*n-220 = 0

1/2*n-220 = 0 // + 220

1/2*n = 220 // : 1/2

n = 220/1/2

n = 440

n = 440

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