Question

x-2y=-2
y=-3x+8
solve by substituiton

Answer 1

So you have to substitute: \[y = -3x + 8\] back into the first equation so it will look like this: \[x - 2 (-3x + 8) = -2\]
now why don't you try solving for x and i'll check it, don't forget to times 2 by both (-3x) and (+8).

Answer 2

y=2 & x=2 ?

Answer 3

right answer

Answer 4

thanks!

Answer 5

best of luck

Answer 6

yup your right. Well done!