Friday
April 18, 2014

Homework Help: Algebra

Posted by Misty on Monday, August 6, 2007 at 11:51am.

Stuck on this problem

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

5(-3) + 7(4) = b

b = -15 + 28 = 13

m(-3) + 4 = 22
-3m = 22-4
m = 18/-3 = -6

Thank you Sanchi....I will use this as a template for solving my other problems like this.

no problem!

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