Question

USE SUBSTITUTION... SOLVE FOR X
y=x-2
y=-2x+7

Answer 1

HELP!!!!!!!!

Answer 2

Well y=x-2

Answer 3

That means:

x-2=-2x+7

Answer 4

See how I did that? @foreverandalways13

Answer 5

yeah i think so

Answer 6

because it already gave you a y= you can use substitution to plug in x-2 is y because hey. it says y=x-2.

Just like if it said y=3 and use substitution, you'd plug 3 in for y. Understand?

Answer 7

So what would x equal?

In x-2=-2x+7 @foreverandalways13

Answer 8

-5

Answer 9

right?

Answer 10

@marissalovescats

Answer 11

So x-2=-2x+7, add 2 to both sides, so x=-2x+9, subtract one x from both sides, so that -3x+9=0, subtract 9 from both sides; -3x = -9. What is x equal to?

Answer 12

3

Answer 13

3 yup! Great job!! :)

Answer 14

Well done :)

Answer 15

thanks guys!!!

Answer 16

Any time