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 120643: 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 nabla(475) (Show Source): You can put this solution on YOUR website!
If we require that the solution is (-3,4),
Substitute values for x and y into the first equation
and
Substitute values for x and y into the second equations
Subtract 4 from both sides
Divide both sides by -3

then, m=-6, b=13 makes this system true.
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