Find the measure of each interior angle using the given information

quadrilateral RSTU with m<R=6x-4,m<S=2r+8

and how did you come up with answer?

2 answers

If RSTU is any old quadrilateral, then there's no way to figure the other two angles. All we know is that all 4 angles add up to 360.

Check for typos and repost.
I don't now