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

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

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Question 74726: 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 jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Plug in (-3,4) into the first equation
Solve for b

Now plug in (-3,4) into the 2nd equation

So m=-6. Use this info to complete the system of equations

Check:
if we plug in (-3,4) it should satisfy the sytem

works
works

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