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

Question 49352This question is from textbook Beginning Algebra
: 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 This question is from textbook Beginning Algebra

Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
5x + 7y = b with point: (-3,4)
5*-3 + 7*4 = b
-15 + 28 = b = 13
7y = -5x + 13
y = -5x/7 + 13/7
and:
mx + y = 22 with point: (-3,4)
-3m + 4 = 22
-3m = 18
m = -6
y = 6x + 22

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