SOLUTION: solve. the sum of two numbers is 12, and twice one number minus the other is -4. what are the numbers? heres my equations. x+y = 12 , x * 2-y = -4 show all work please

Question 381837: solve.
the sum of two numbers is 12, and twice one number minus the other is -4. what are the numbers?
heres my equations.
x+y = 12 , x * 2-y = -4
show all work please
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
the sum of two numbers is 12, and twice one number minus the other is -4. what are the numbers?
heres my equations.
x+y = 12 , x * 2-y = -4
--------------
You have the right equations, unless it's 2*(x-y) = -4. Some ambiguity there.
x + y = 12
2x - y = -4
------------- Add
3x = 8
x = 8/3
y = 28/3

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