kamilaluciana52 kamilaluciana52
  • 04-09-2019
  • Mathematics
contestada

ayuda porfa
3x + 20 = 8x+60

Respuesta :

meredith48034
meredith48034 meredith48034
  • 04-09-2019

Answer:

3x + 20 = 8x + 60

-5x + 20 = 60

-5x = 40

x = -8

Step-by-step explanation:

Answer Link
Аноним Аноним
  • 04-09-2019

3x + 20 = 8x+60

Move 8x to the other side

Sign changes from +8x to -8x

3x-8x+20= 8x-8x+60

3x-8x+20= 60

-5x+20= 60

Move 20 to the other side

Sign changes from +20 to -20

-5x+20-20= 60-20

-5x= 60-20

-5x= 40

Divide by -5 for both sides

-5x/-5= 40/-5

Answer: x= -8

Answer Link

Otras preguntas

A flat horizontal surface with an area of 518 cm^2 is inside a uniform electric field of 1.33 x 10^4 N/C. The angle between the area vector and the electric fie
the walrus below ate 12 gallons of ice cream how many quarts of ice cream did he eat
What is 155,826 rounded to the nearest ten thousand
There are 640 acres in a square mile. how many square meters are there in 7.80 acres.
The Distributive Property of 7 x 1,214
scott invested a total of 5900 at two separate banks. one bank pays simple interest of 10% per year while the other pays simple interest at a rate of 6% per yea
What are the units, if any, of the particle in a box wavefunction. What does this mean?
(4 x 102) + (7 x 103) Answer:
2 Points What is one of the defining characteristics of the modern era? O A. Countries are better able to build strong economies without trading with their neig
which energy technologies require using fossil fuels to start using electricity