galacticdragon galacticdragon

03-09-2017
Mathematics

contestada

The sum of 17 and twice a number is 87. Find the number.

Respuesta :

texaschic101 texaschic101

03-09-2017

" the sum " means add

17 + 2x = 87
2x = 87 - 17
2x = 70
x = 70/2
x = 35 <==

Answer Link

Otras preguntas

Aaron jogs around his neighborhood 4 times a week for 30 minutes to improve his heart health. He is working on his _____.○flexibility○muscular strength○cardiova

The difference of nineteen times a number and four

Is rock being ground into powder by moving glacier a physical or chemical change?

Consider two gases, A and B, each in a 1.0-L container with both gases at the same temperature and pressure. The mass of gas A in the container is 0.34 g and th

Simplify -2X + 4Y -16

Determine whether the lines l1 and l2 are parallel, skew, or intersecting. If they intersect, find the point of intersection.l1: x=3-2t, y=7+4t, z=-3+8tl2: x=-1

On January 1, 2014, Tri-State Industries had cash and common stock of $180,000. At that date the company had no other asset, liability or equity balances. On Ja

Find the average rate of change of the function f(x) equals -1X^2-4x-3 from x=-1 to x=5

A mathematics instructor wants to see if a computer homework system improves the scores of the students in the class. The instructor teaches two different secti

Which approach to psychology emphasizes the role of the physical processes, such as brain and nervous system functioning?