Answer
22
Work Step by Step
You are given the following:
$x=6$
$y=4$
Since you are solving for $3x+y$ and you know the values of both variables, you can plug them in:
$3(6) + 4$
Then solve, keeping in mind the order of operations. Multiplication first:
$3\times6=18$
Then addition:
$18+4=22$