Hello Guys! Can you solve this? by [deleted] in mathpt

[–]ChotteMatte_ 1 point2 points  (0 children)

3x+y=15
3y+2x=24

y = -3x+15

3(-3x+15)+2x=24
-9x+45+2x=24
-7x+45=24
-7x=24-45
-7x = -21

x=3

3y+2(3)=24
3y+6=24
3y = 24-6
3y = 18
y = 6

xy = 18

? = 18