bubble1447 bubble1447

26-10-2018
Mathematics

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Twice the sum of 3 times a number and 60 is 155 grater than the opposite of the number. Find tye number

Respuesta :

emiliafranmateo emiliafranmateo

26-10-2018

x=5

2 (3x + 60) = 155 − x

that can be rewritten as

6x + x = 155 - 120

or

7x = 35

The solution is

x = 5

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