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

characteristics is associated with charismatic leaders
Write the equation of a line with a slope of -5 that passes through the point (1, -1).
Locate the complete infinitive phrase and identify its use. To play the piano was Melanie's dream.
Joaquin can't control the urge to splurge on things he does not need and often runs into financial problems. What disorder does he have? a. impulse-control dis
Find the area of the regular decagon with a side measure of 4 cm. Give the answer to the nearest tenth.  Question 28 options: 129.4 cm2 246.2 cm2 123.1 cm2 139.
Solve for XAn explanation would be very helpful
why is the novel called hatchet
models the cost, in dollars, of a rug with width x feet. What is the cost of a rug that is 9 feet wide?
Find the area. The figure is not drawn to scale. Question 16 options: 27.2 cm2 13.6 cm2 11.4 cm2 54.4 cm2
What would you consult for a list of synonyms when doing a keyword search? a. Database b. Journal article c. DirectoryD. Thesaurus?