The sum of three numbers is 14. The second number
1 answer:
Answer:
4 , 3 and 7
Step-by-step explanation:
Let the numbers be x , y and z
i) The sum of three numbers is 14.
x+y+z=14
ii) The second number is 5 less than twice the first number x.
y=2x-5
iii) The third number is 3 more than the first number x.
z=x+3
Hence
x+y+z=14
x + (2x-5) + (x+3) = 14
x + 2x -5 + x +3 =14
4x-5+3=14
4x-2=14
Adding 2 on both sides
4x=16
Diving whole equation by 4
x=4
Hence the numbers are
4 , 2(4)-5 , 4+3
4,3,7
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