smmonique smmonique
  • 24-02-2020
  • Mathematics
contestada

Double the sum of a number and three is the same as the number subtracted by nine

Respuesta :

gmccormick67 gmccormick67
  • 25-02-2020

Answer:

2(n+3) = n-9

Step-by-step explanation:

2(n+3) = n-9

Step 1: Multiply (n+3) by two; 2n + 6

Step 2: Subtract n on both sides; n+6= -9

Step 3: Subtract 6 on both sides; n= -9 - 6

Step 4: Add -9 and -6; -15

Solution: n= -15

Answer Link

Otras preguntas

THE AUTHOR DICTION IS HIS? A. PLOT B. THEME C. STYLE D. CHARACTER
What factors affect a person's daily energy requirements?​
In which sentence is the modifier placed correctly avoiding confusion
what is 5x5? please help
There are many reasons why interpersonal communications may fail. While communicating, the message may not be received exactly the way the sender intended and t
I need help please.
the baglike, muscular organ that mixes and chemically changes protein is the
please help me!!!! trying to catch up over break :P
PLEASE ANSWER THESE ASAP WITHIN THIS HOUR! 80 is what percent of 400? a. Base b. Rate c. Percentage 16% of what number is 56? a. Base b. Rate c. Percentage
a polygon has a interior angle 172 find the number of sides of this polygon