SOLUTION: Please solve the system below using substitution. y = x + 2 x + y = 4

Algebra ->  Inequalities -> SOLUTION: Please solve the system below using substitution. y = x + 2 x + y = 4      Log On


   

Question 475506: Please solve the system below using substitution.
y = x + 2
x + y = 4
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

y+=+x+%2B+2..........1...substitute y in 2
x+%2B+y+=+4..........2
-----------------------------
x+%2B+x+%2B+2+=+4........2....solve for x
2x+=+4-2
2x+=2
x+=1
now plug it in y+=+x+%2B+2..........1
y+=+1+%2B+2
y+=+3