Description
y=20x+20
-x-2y=1
Explanation & Answer
y =20x+20
-x-2(20x+20) =1
-x-40x-40 =1
-41x = 1+40
-41x= 41
x = 41/(-41) = -1
y = 20* (-1)+20 = -20+20=0
Answer: x = -1 ; y =0
y=20x+20
-x-2y=1
y =20x+20
-x-2(20x+20) =1
-x-40x-40 =1
-41x = 1+40
-41x= 41
x = 41/(-41) = -1
y = 20* (-1)+20 = -20+20=0
Answer: x = -1 ; y =0