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Question 379388: one number is eight more than twice another and their sum is 20. what are their number?
Answer by tutorcecilia(2152)   (Show Source):
You can put this solution on YOUR website! one number is eight more than twice another and their sum is 20. what are their number?
one number = x = 2y+8
another number = y
so, (2y+8)+ y=20
simplify 3y+8=20
3y=20-8
3y=12
y=4,
checking the answer gives x=2(4)+8=16
so, y = 4 and x = 16
4+16=20
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