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

what do we mean when we speak of the different aspects of healthy living​
A store pays two fees when a customer uses a credit card to make a purchase. These fees include: A flat fee of $0.15 A processing fee equal to 1.75% of the dol
It is believed that 90 percent of the population of all students consider statistics to be an exciting subject. Suppose we randomly and independently selected 2
can you guys please help me on my homework? It would mean a lot to me :)
find the length of AB
the function A(t)=728(1 + 0.04)t represents the amount of money in the account after t years. How much money did Adtia originally invest?
Please help also I have to show work 5•3.14159
Which commercial service provider is shown in the picture? A - la peluquería B - la lavandería C - el sastre D -el taller de reparación
Imagine you take a shopping trip to a flea market, and you are looking for an old record player. You know the typical antique record player is very expensive. W
What can you use to count on?