-2x-y=3 ...(1)
x+2y=4 ...(2)
multiply (2) by 2 and add to (1)
-2x-y+2x+4y=3+8
3y=11
y=11/3
from (2)
x=4-2y=4-2(11/3)
or x=4-(22/3)
=(12-22)/3=-10/3
Answer:
5088
Step-by-step explanation:
212*24=5088
111km
the ratio is 1:15 so you do 7.4×15
I hope this helps you
n=2/3-1/7
n=2.7/3.7-1.3/7.3
n=14/21-3/21
n=11/21
Answer:
Step-by-step explanation:
3 * (2y - 4x) = 8
6y - 12x = 8
divide by 2 throughout
3y - 6x = 4
-6x + 3y -4 = 0
