darealkarolebaskin12
darealkarolebaskin12 darealkarolebaskin12
  • 24-07-2020
  • Mathematics
contestada

Twice the difference of a number and 5 is equal to three times the sum of the number and 2. Find the number.

Respuesta :

Stephen46
Stephen46 Stephen46
  • 24-07-2020

Answer:

The number is - 16

Step-by-step explanation:

Let the number be x

Twice the difference of a number and 5 is written as

2( x - 5)

three times the sum of the number and 2 is written as

3( x + 2)

Equate them

We have

2(x - 5) = 3(x + 2)

Expand

2x - 10 = 3x + 6

Group like terms

2x - 3x = 16 + 10

- x = 16

Multiply through by - 1

x = - 16

Hope this helps you

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