<PRE><B>Question 110139</B>
find the values for m and b the solution to the system is (-3,4).
5x+7y=b
mx+y=22
so I did this 
5(-3)+7(4)=b  
b=5(-3)+7(4), 
b=-15+28, 
b=13
-------------
Now put the point values into the 2nd equation:
m*-3+4 = 22
m = 34
----------------------
Cheers,
Stan H.</PRE>