SOLUTION: 26. Find values for m and b in the following system so that the solution to the system is (-3,4). 5x+7y=b mx+y=22 Thank you for your time!!!

Algebra ->  College  -> Linear Algebra -> SOLUTION: 26. Find values for m and b in the following system so that the solution to the system is (-3,4). 5x+7y=b mx+y=22 Thank you for your time!!!       Log On


   



Question 56244: 26. Find values for m and b in the following system so that the solution to the system is (-3,4).

5x+7y=b
mx+y=22


Thank you for your time!!!


Answer by Cintchr(481) About Me  (Show Source):
You can put this solution on YOUR website!
Plug in (-3,4) to each equation.
1. +5x%2B7y=b+
+5%28-3%29+%2B+7%284%29+=+b+
+-15+%2B+28+=+b+
+13+=+b+

2. +mx%2By=22+
+m%28-3%29+%2B+4+=+22+
+-3m+=+18+
+m+=+-6+