Question

Help with figuring number properties ?????????! Need help fast

Answer 1

what number properties is used to get from 3x+4y+3x-3y-4x to 2x+y=0 and then to y=-2x? i have 3x+4y+3(x-y)-4x which is the given then 3x+4y+3x-3y-4x which is the distributive property and then after that i got 2x+y=0 but im not sure which property this is and then i got y=-2x..and would this just be the answer? please help! i really have like no time left i need some help!

Answer 2

google it...

Answer 3

i have tried i cant find

Answer 4

Additive inverse maybe?