Question

Solve by the substitution method.
y = 2x - 4
7x – 5y = 14

Answer 1

substitute 2x-4 for y.
7x-5(2x-4)=14

Answer 2

What she said.

Answer 3

what he said he said

Answer 4

xD

Answer 5

hehe

Answer 6

Great answer ;)

Answer 7

@acacia can you finish it?

Answer 8

@Luigi0210 yeah give me a sec

Answer 9

Alright, let's see what you got kiddo :D

Answer 10

*when you finish that is :)

Answer 11

{Y=2x-4
{7x-5y=14

7x-5(2x-4)=14
solve for x
7x-10x+20=14
-3x=14-20
x=-6/-3 x=2
right??

Answer 12

Yup, x=2 :)

Answer 13

Now plug that back in and find y.

Answer 14

Then I plug it back in to Y=2(2)-4 and Y=0

Answer 15

Correct!

Answer 16

Great job. :)

Answer 17

Whoo break through! @Luigi0210

Answer 18

Hm?