SOLUTION: If ( -A , 2 B ) , ( 3 A -2 , 3 - B ) two solutions of the equation X + Y = 4 Then find A , B :

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Question 1195813: If ( -A , 2 B ) , ( 3 A -2 , 3 - B ) two solutions of the equation X + Y = 4
Then find A , B :
Answer by Boreal(15235) About Me  (Show Source):
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-A+2B=4; A=2B-4
3A-2+3-B=4
3A-B=3
substitute
6B-12-B=3
5B=15
B=3
A=2