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 68529: 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
Answer by funmath(2933) (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
Let the x's be -3 and the y's be 4 and solve for m and b.
5(-3)+7(4)=b
-15+28=b

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

Happy Calculating!!!
RELATED QUESTIONS
4. Find values for m and b in the following system so that the solution to the system is... (answered by jim_thompson5910)

Find the values for m and b in the following system so that the solution to the system is (answered by josmiceli)

Find the values for m and b in the following system so that the solution to the system is (answered by stanbon)

Find values for m and b in the following system so that the solution to the system is... (answered by jcmtnez)

Find values for m and b in the following system so that the solution to the system is... (answered by funmath)

Find values for m and b in the following system so that the solution to the system is... (answered by praseenakos@yahoo.com)

Find values for m and b in the following system so that the solution to the system is... (answered by jim_thompson5910)

Find values for m and b in the following system so that the solution to the system is... (answered by checkley75)

Find values for m and b in the following system so that the solution to the system is... (answered by malakumar_kos@yahoo.com)