jonelsonscott19 jonelsonscott19
  • 21-06-2017
  • Mathematics
contestada

If 60 equals twice a number added to itself, find the number.

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 21-06-2017

write it into a formula

60=2x+x

60=3x

20=x

 then double check 20 *2 = 40 +20 = 60

so the number is 20


Answer Link

Otras preguntas

An example of a stateless nation in the middle east is provided by who?
Sara cut off 1/8 of a 48-inch piece of ribbon. Jane cut off 1/9 of a 36-inch piece of ribbon. They compared their cut pieces. Whose piece is longer? How much lo
The difference in cost between a large bag of chips and a small bag of chips was 90 cents. Alicia bought 5 large bags and 3 small bags of chips for her party an
what advances did the early Chinese make?
List three impulse goods that you or someone you know has purchased
Forces come in pairs. What are these pairs called ?
How many solutions will the following equation have: x squared -49=0
the problem is three n squared minus 17  n plus 24
which type of livestock were raised in mission san francisco de asis
i am stuck heres the question;the product of 2 numbers is 144 and their difference is 10 what is the su of the 2 numbersif you can help Thanks¡