SOLUTION: y=x+3 y=2x-1

Algebra ->  Systems-of-equations -> SOLUTION: y=x+3 y=2x-1      Log On


   

Question 660421: y=x+3 y=2x-1
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
y=x+3
y=2x-1
Subtract the first equation form the second
y - y = 2x - x - 1 - 3
Combine like terms
0 = x - 4
x = 4
y = x + 3 = 4 + 3 = 7
Proof
2(4)-1 = 7