Question

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

Answer 1

Answer:

,

linearequationin

twovariablesxandyis

2x+3y=k

\begin{gathered} Substitute \: x=2 ,y=1 \: in \: the \: equation ,\\ we \: get \end{gathered}

Substitutex=2,y=1intheequation,

weget

2\times 2 + 3\times 1 = k2×2+3×1=k

\implies 4+3=k⟹4+3=k

\implies 7 = k⟹7=k

Therefore,

The \: value \: of \: k = 7Thevalueofk=7