BTSJoonie
BTSJoonie BTSJoonie
  • 03-11-2017
  • Mathematics
contestada

2x+8=7x-12 || -m/4+5=2 || 3x-8=-17 ||

Respuesta :

randgh
randgh randgh
  • 03-11-2017
2x+8=7x-12    we put the x in a side  and the number in the other side 
5x = 20 
x= 20/5 = 4

 -m/4+5=2
 common denominator
-m /4  + 20/4 = 2/4   
-m +20 = 2

m = 20-2 =18

3x-8=-17

3x = -17 +8 

3x = -9 

x= -9/3 = -3 
Answer Link

Otras preguntas

hello:) i think that AB is longer than DC but I’m not sure if it’s correct :/ anyone able to help ? thank you!
An open box with no lid has a square base and four sides of equal height. The height is 4 inches greater than the length and width (which are the same). What ar
There were 3 bands that performed at the talent show. What percent of the 16 group acts were band performances?
A segment of wire of total length 3.0 m carries a 15-A current and is formed into a semicircle. Determine the magnitude of the magnetic field at the center of t
find the molecular formula of the following​
Enrique is making a party mix that contains raisins and nuts. For each ounce of nuts, he uses twice the amount of raisins. How many ounces of nuts and how many
Analyzing the Prompt: "In a multiple-paragraph essay of no less than 300 words, argue which of the super powers (flight vs. invisibility) described would be the
I believe this is pretty easy but it's: solve for x using common denominators 3/4(x+2)=x/(x+3) Answer choices below:
Look at this triangle work out length BC
Explain the Importance of Balanced Diet​