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3 years ago

5

One number is 1/2 of another number. The sum of the two numbers is 21. Find the two numbers. Use a comma to separate your answer

s

1 answer:

Romashka-Z-Leto [24]3 years ago

3 0

2x=y
x+y=21
x+2x=21
3x=21
x=7
y=2x
y=14

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