Question

If $(6,k)$ is a solution of the equation $3x+y-22=0$, then the value of $k$ is

• A. $-4$
• B. $4$
• C. $3$
• D. $-3$

Answer 1

The correct option is B $4$

Given equation is

$3x+y=22$

Since $(6,k)$ is a solution, put $x=6$ and $y=k$ in the given equation

$\therefore 3\left(6\right)+k=22$

$\Rightarrow k=22-18=4$