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1.

if (k,k/2) is one of the solutions of the equation 3x+5y=22, then k=_____?

Answer»

Given equation is:- 3x+5y=22

We know that when (x, y) = (a, b) then x = a and y = b. Using this, we get

3k + \(\frac{5k}{2}\) = 22

\(\frac{6k + 5k}{2}\) = 22

11k = 44 

k = 4
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