Question 26302
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 
SUBSTITUTE X=-3 AND Y=4 IN THE 2 EQNS. AND FIND B AND M
5*-3+7*4=B=-15+28=13

M*-3+4=22
-3M=22-4=18
M=-18/3=-6