Answer:
3x
Step-by-step explanation:
y = 4
If 3 is x than you can substitute x for 3. y = 3 + 1. Then when you add y = 4
76776 is the answer
have a nice day mate
-5x
{9x+3y=-36
y=-3x-21
9x-9x-36=-36
x=0
y=-21
It would be:1/x = 1/40+1/52 = 13+10/520 = 23/520
x = 520/23 = 22.60 minutes
