Answer:
x=88
y=420
Step-by-step explanation:
Multiply the first equation by 3 and the second by 5 to cancel out.
[tex]y=15x+30\\y=-15x+450\\y=420\\[/tex]
Now plug y into one of the original equations.
[tex]y=5x+10\\450=5x+10\\440=5x\\x=88[/tex]
Hope this helps! <3
