SOLUTION: 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 I really need help. Thank you, I appreciate it.

Algebra ->  Absolute-value -> SOLUTION: 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 I really need help. Thank you, I appreciate it.      Log On


   



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
I really need help.
Thank you, I appreciate it.

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
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