Step-by-step explanation:
You're asking why

let's transpose the first equation for y
-2x-6y=18
-6y=18+2x
6y=-18-2x
y=-18/6-2x/6
y=-3-⅓x as required
Answer:
y=-6
Step-by-step explanation:
y+6=0(x-5)
Solve
y=-6
Answer:
Step-by-step explanation:
She did not use 181/24 or 7 13/24 meters of cloth
Answer:
for the first one I think it is -5/-2 second is 1/-4 third one is 2/1 this may not be correct
Step-by-step explanation: