1.

Find the value of k, if x=2,y=1 is a solution of the equation 2x + 3y = k ?

Answer» 2(2) + 1(3) _ k4 + 3 _ KK _ 7
2(2) + 3(1) = k4 +3 = k7=k 7
7
2x + 3y =k2×2+3×1=I4+3=k7=k
By putting the value of X=2 and y=1 in the equation 2x+ 3y =k ;2*2+3*1=k;4+3=k;7=k


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