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03-05-2020
Mathematics

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A second number is 7 less than the first number. The third number is twice the first number. If the sum of the three numbers is 321, find the numbers

Respuesta :

05-05-2020

Answer:

x=4

Step-by-step explanation:

hope it will help

First no.=x

2nd no.=2x

3rd no. =2x+6

x+2x+2x+6=26

5x+6=26

5×=26-6

5x =20.......divide both sides by 5

x=4

1st no.=x=4

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