summerlilmama summerlilmama
  • 12-01-2018
  • Mathematics
contestada

when the sum of a number and 3 is subtracted from 13 the result is 7

Respuesta :

blackmatter616
blackmatter616 blackmatter616
  • 12-01-2018
the sum of the number is 3. 7+3=10
13-10=3.
Answer Link
Lazerpent
Lazerpent Lazerpent
  • 12-01-2018
13 - (n + 3) = 7
13 - n - 3 = 7
10 - n = 7
10 - n - 7 = 0
3 - n = 0
n = 3
Answer Link

Otras preguntas

When hydrogen is used in a fuel cell, the only waste product is/are __________
Put the expressions in order from least to greatest.
An insurance policy sells for ​$800. Based on past​ data, an average of 1 in 50 policyholders will file a ​$15,000 ​claim, an average of 1 in 100 policyholders
How to send large video files without losing quality
only help if you know pls ​
Equations, graphs, Slopes and y-intercepts : application
Is happy a greeting word or not ?​
100 PTS/// If you have a 2.5% chance of getting something every 3 minutes how long will it take until that's guaranteed?
The _____ acceleration is deceleration​
4. Why would the abolitionists refer to men and women as "packages of hardware" and "dry-goods”?​