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The sum of two numbers is 25. One of he numbers exceeds the other by 9. Find the numbers
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4 votes
The sum of two numbers is 25. One of he numbers exceeds the other by 9. Find the numbers

User Blashser
by
8.8k points

2 Answers

4 votes
x and y are the numbers
sum is 25 so
x+y=25

x is bigger than y by 9
x=y+9
subsitue y+9 for x

x+y=25
y+9+y=25
2y+9=25
minus 9 both sides
2y=16
divide by 2
y=8

sub back
x=y+9
x=8+9
x=17

the numbers are 8 and 17
User Pullie
by
8.5k points
4 votes
x + y = 25
x is the smaller number.
y is the smaller number plus 9 (x + 9).

x + (x + 9) = 25
2x + 9 = 25
2x = 16
x = 8

8 + y = 25
y = 17

The numbers are 8 and 17.
User Vishal Sen
by
7.7k points
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