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

What is the solution to the system of equations? y = 5x + 2 3x = -y + 10 (4, -18) (-18, -4) (7,1) (1,7)

Compare and contrast three metabolic pathways by choosing whether the statement applies to aerobic respiration. Check all that apply. View Available Hint(s) Che

Identify an equation in point-slope form for the line perpendicular to y=-4x – 1 that passes through (-2,7).

A force vector has a magnitude of 720 N and a direction of 38 degree north of east. Determine the magnitude and direction of the components of the force that po

If y varies inversely as x, and y = 4 as x = 8, find y for the x-value of 2. 16 10 8 14

It is estimated that in Florida alone, almost 4,500 deaths occur annually due to __________ use. A. alcohol B. drug C. cocaine D. None of the above

In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm about the elbow. If the angular velocity of the ball about the

solve 7r+ 2 = 5(r – 4)

Dr. Arrigan treats many clients with schizophrenia. Some of them function very well and are able to hold jobs and maintain social relationships. Others are most

Factor completely 10x5 + 4x4 + 8x3.