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

Round 2.449 to the nearest hundredth
What is t×3/4 for t = 8/9
an excess of the neurotransmitter dopamine has been linked to which of the following dorders?
A ______ controls how computer hardware communicates with the operating system
What scale factor was applied to the first rectangle to get the resulting image?
Read the excerpt below and answer the question. Some weeks later there was a curious scene enacted at L’Abri. In the centre of the smoothly swept back yard was
To cite a website in the text of your work and link it to the entry in Works Cited, use the author's _______. A. First name, last name B. Last name, first
which of the following does a histogram resemble the most? A) picture graph B) line graph C) bar graph D) table
How do bacterial infections, body weight, diet, exercise or viruses (pick one to explain) relate to cancer?
What the surface area and volume are for each prism