SOLUTION: Solve each system using substitution. Write no solution or infinitely many solutions where appropriate. {{{ y= x }}} {{{ AND }}} {{{ y= -x+2 }}} Please and Thank You!

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve each system using substitution. Write no solution or infinitely many solutions where appropriate. {{{ y= x }}} {{{ AND }}} {{{ y= -x+2 }}} Please and Thank You!      Log On


   

Question 254330: Solve each system using substitution. Write no solution or infinitely many solutions where appropriate.
+y=+x+
+AND+
+y=+-x%2B2+
Please and Thank You!
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
We have the following equations:
(i) +y+=+x+
(ii) +y+=+-x%2B2+
substitute (i) into (ii) as
(iii) x+=+-x+%2B+2
solve for x as
2x+=+2
x+=+1
Now we find y.
y+=+1
the coordinate is (1,1)