U just have to invert the signs and use the radius to the power of two
*ahem* ..... yODeL-a-heE yoDEL-A-HoO
Y-18=14
y=14+18
y=32
3(y+5)=?
All you have to do is figure out what y is and then substitute the value of y into the second expression.
3(32+5)=3(37)=111