Asked by Becky
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
5x+7y=b
mx+y=22
Answers
Answered by
drwls
Substitute -3 for x and 4 for y in both equations. That will give you two equations in m and b only. The answers will apear directly
-15 + 28 = b
-3m + 4 = 22
-15 + 28 = b
-3m + 4 = 22
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