To find the x-intercept, plug zero into y and solve for x.
2x+3(0)=-18
2x=-18
/2 /2
x=-9
To solve for the y-intercept, do the same thing, but instead plug zero into the x-intercept to solve for y.
2(0)+3y=-18
3y=-18
/3 /3
y=-6
So, your answer to your question is the y-intercept=-6, and the x-intercept=-9
Hope this helps!:)