kaylatawadrous kaylatawadrous

03-02-2017
Mathematics

contestada

Twice the difference of a number and five is equal to three times the sum of the number and seven

Respuesta :

sawahli sawahli

07-02-2017

2(n-5)=3(n+7)
2n - 10= 3n +21
-10 - 21 = 3n- 2n
n=-31

Answer Link

Otras preguntas

Why was reconstruction of the south likely to be a difficult process?

A box of powdered laundry detergent contains 5.2 ounces of detergent. It takes 0.7 ounce of detergent to clean a load of laundry. How many full loads can by cle

from y^2+5y-7 subtract y^2-3y-4

How does Weathering,erosion,and deposition present problems for people in New England

Mary leaves London at 12:00 and expected to arrive in Dorset at 13:00, however she had to detour due to road works eventually arriving at 14:00. Travelling at a

the area of a reactangle mirror is 11 11/16 square feet the width of the mirror is 2 2/4 feet. if there is a 5 foot tall space on the wall to hang the mirror wi

What underlying theme do the four molecular techniques share?

robin tosses a fair coin and then draws a ball from a bag that contains one red, one blue, and one green ball. what are the possible outcomes for the experiment

Which civilization ushered in an era of prosperity as Greece's first military and economic superpower

what was Hollywood and society's response to McCarthyism