baldenegroalexi baldenegroalexi

22-09-2017
Mathematics

contestada

If 3 is added to a number and the sum is tripled, the result is 15 more than the number. Find the number.

Respuesta :

Аноним Аноним

22-09-2017

Hello There!

Put it into an equation:

3 (x + 3) = x + 15
Expand it:
3x + 9 = x + 15
- 9 - 9
3x = x + 6
- x - x
2x = 6
Divide by 2:
x = 3

Hope This Helps You!
Good Luck :)

Answer Link

Otras preguntas

winstons family is making 4 pizza's for dinner. they have 1 over 2 of a pound of shredded cheese and put an equal amount on. rach pizza how many pounds of chees

I'm doing school and I need help with this answer Which type of map is a world time zone map? Political Special Purpose Cardinal Physical

PLEASE ANSWER!! Read the Article and answer the question below.According to the poem, "Cowboys Don't Read Poetry," what shouldn't you invite a cowboy over to ha

BRAINLIEST!!! +10 POINTS!!!

which of the following can be transferred to another person by respiratory droplets A.asthma B.emphysema C,pneumonia D.tubercolosis

PLEASEE HELP Determine the unknown angle measure for each triangle A. m B. M

Which expression is equivalent to 3 r − 6 + r 3r−6+r?

Which of the following equations gives the relationship between the price in dollars, p, and the number of pieces of salt-water taffy, s, in a bag of salt- wate

( i need opinions on my answer please) Question: Do you think you have a purpose? My answer: At a young age i felt i had a purpose but at a young age i was sho

How do ancient Greek stories explain Scorpius and Orion being in the sky at different times of the year? A Scorpius and Orion do not share a common story, accor