Question

I can just plug them in and if they work, its right.. right?
-x-4y=18
2x-4y=24
A.) (4,-5)
B.) (-3,6)
C.) (2,-5)
D.) No Solution

Answer 1

i need someone too explain it too me step by step

Answer 2

just try to substitute the value for y in the main equation
3x+3(-2)=-2
3x-6=-2
3x=4
x=4/3
and you already have the value for y which is -2
then your order pair would be (x,y) which is (4/3,-2)

Answer 3

oh danget i meant y to eqaul -x ,but i understand same concept right?

Answer 4

yes

Answer 5

k bro thnx

Answer 6

K now im stuck.
3x+3(-x)=-2
3x-3x=-2
0?=-2
x=

Answer 7

0 is not equal to -2
then it has no solution

Answer 8

oh alright thnx