SOLUTION: The solution of the following system is (-3,5). Find A and B. Ax+2y=22 5x+By=35

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Question 313414: The solution of the following system is (-3,5). Find A and B.
Ax+2y=22
5x+By=35
Answer by blwinbbbles(106) About Me  (Show Source):
You can put this solution on YOUR website!
if the solution is (-3, 5) then all you have to do is plug in x and y in the equations and solve for A and B
1) A(-3)+2(5)=22
-3A+10=22
-3A = 12
A=-4
2) 5(-3)+B(5) = 35
-15 + 5B = 35
5B = 50
B= 10
so: A=-4 and B=10