X + y = 22
2x - y = 15

2(22) - y = 15
44 - y = 15
Y = -29

4x 20 is 80 but if ther machine is broken then there is none you have to redo the test

1. statement- ca is parallel to db and e is the midpoint of ad reason- given2. statement- reason- alternate interior angles3. statement- de is congruent to ae reason- definition of midpoint4. statement- triangle aec is congruent to triangle deb reason- asa (angle side angle)