How many solutions does the system have?
x= -4y + 4 and 2x + 8y = 8

Question

How many solutions does the system have?  
x= -4y + 4   and 2x + 8y = 8

shamil98 · Answer

substitute for x in the second equation with the given value of x and solve for y.

x = -4y + 4

2(-4y+4) + 8y = 8

anonymous · Answer

Thank you,

I tried but it looked to me that there were only two ways to solve this.

shamil98 · Answer

What did you get?

shamil98 · Answer

when everything on both sides equal the same thing like
2x + 5=2x + 5

or 3x - 5 = 3x - 5
you have infinite solutions.

shamil98 · Answer

in this case:

2(-4y+4) + 8y = 8
distribute:

-8y + 8 + 8y = 8
simplify
8 = 8 
0=0
you have infinite solutions.

anonymous · Answer

I think I miss one of the steps.  Okay.  I forgot to simplify

anonymous · Answer

Thank you for helping understand this better.