## anonymous 5 years ago 3x – 5y = 7 2x + 3y = 30

1. anonymous

multiply the first one by 3, the second by 5. add and the y's will drop out

2. anonymous

$9x-15y=21$ $6x+15y=150$

3. anonymous

oops

4. anonymous

second one should be $10x+15y=150$

5. anonymous

add and get $19x=171$ $x= \frac{171}{19}$ ugh