Question 319796: i need to put these questions in (x,y) form. i have been on this for 2 weeks :( please help me
a=3b-4
a+b=16
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! a=3b-4
a+b=16
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Substitute for "a" and solve for "b":
3b-4 + b = 16
4b = 20
b = 5
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Since a = 3b-4, a = 3*5-4 = 11
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Ans: (b,a) = (5,11)
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Cheers,
Stan H.
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