213k views
5 votes
If you double a number and then add 32​, you get two ninths

of the original number. What is the original​ number?

2 Answers

5 votes

Answer:

–18

Explanation:

let the number is
x, from the problem we know that


2x+32=(2)/(9)x</p><p>\\9x+144=x</p><p>\\x=-(144)/(8)=-18

User Gerardo Furtado
by
4.7k points
2 votes

Answer:

The number is -18

Explanation:

Let x be the original number

2x +32 = 2/9x

Multiply each side by 9 to get rid of the fractions

9(2x +32) =9* 2/9x

18x +288 = 2x

Subtract 18x from each side

18x-18x+288 = 2x-18x

288 = -16x

Divide each side by -16

288/-16 = -16x/-16

-18 =x

User Taras Alenin
by
4.1k points