Candysnarf05 Candysnarf05

14-05-2019
Mathematics

contestada

Twice the difference of a number and 7
is 5.

please use x as the unknown number.
Write as an equation

Respuesta :

altavistard altavistard

14-05-2019

Answer:

x = 19/2

Step-by-step explanation:

2(x - 7) = 5

Let's divide both sides by 2 so as to isolate (x - 7):

x - 7 = 5/2

Add 7 to both sides to isolate x:

x = 7 + 5/2, or n = 14/2 + 5/2 = 19/2 = x

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