SOLUTION: Twice one number plus a second number is 42, and the first number minus the second number is -6. Find the numbers.

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Question 374903: Twice one number plus a second number is 42, and the first number minus the second number is -6. Find the numbers.
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
2.
Add the equations together,



Then from eq. 2,



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