SOLUTION: can you solve -x-y=-2 4x+5y=16 using subsitution method?

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: can you solve -x-y=-2 4x+5y=16 using subsitution method?       Log On


   

Question 674125: can you solve
-x-y=-2
4x+5y=16
using subsitution method?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the first equation for y to get

-x-y=-2

-y = x-2

y = -x+2

Then plug this into the first equation

4x+5y=16

4x+5(-x+2)=16

4x-5x+10=16

Tell me what you get for x when you solve that equation above. Also, tell me what you get for y when you plug the solution for x into y = -x+2