Find the number such that when it is trebled and 7 is subtracted, the result is 8.
Mathématiques
israelibeziakorc
Question
Find the number such that when it is trebled and 7 is subtracted, the result is 8.
1 Réponse
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1. Réponse lolidkfr
Réponse:
x is the number we want to find
x is trebled and 7 is subtracted, 8 is the result
so this can be written in an equation, which is : 3x-7=8
let's resolve this: 3x-7=8
3x=8+7
3x=15
x = 15/3 =5
so 5 is the solution