SOLUTION: Find x or y. (x,5) (-3,6); slope = -1 Can I see the work explained?

Algebra ->  Equations -> SOLUTION: Find x or y. (x,5) (-3,6); slope = -1 Can I see the work explained?      Log On


   



Question 956564: Find x or y.
(x,5) (-3,6); slope = -1
Can I see the work explained?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(x,5) (-3,6); slope = -1
---------------------
The slope = [ change in y ] / [ change in x ]
+%28+6+-+5+%29+%2F+%28+-3+-+x+%29+=+-1+
+1+%2F+%28+-%28+3%2Bx+%29%29+=+-1+
+1+=+-1%2A%28+-%28+3+%2B+x+%29+%29+
+1+=+3+%2B+x+
+x+=+-2+
------------
check:
+%28+6+-+5+%29+%2F+%28+-3+-+x+%29+=+-1+
+%28+6+-+5+%29+%2F+%28+-3+-%28-2%29+%29+=+-1+
+1+%2F+%28+-3+%2B+2+%29+=+-1+
+1+%2F+%28-1%29+=+-1+
+1+=+%28-1%29%2A%28-1%29+
+1+=+1+
OK