elephantlover1288
elephantlover1288 elephantlover1288
  • 15-02-2021
  • Mathematics
contestada

please help and show work​

please help and show work class=
Relax

Respuesta :

Rasco
Rasco Rasco
  • 15-02-2021

Answer:

first one is simnple cross multiply and divide

12*7=4x

84=4x

x=21

2nd same process but more steps

7x=5(x+8)

7x=5x+40

7x-5x=40

2x=40

x=20

Step-by-step explanation:

Answer Link

Otras preguntas

7÷0.7+0.7×5-0.1×0.1=
Solve for x 11x+4<15 OR 12x−7>−25
a right triangle has a 30 degree angle. the leg adjacent to the 30 degree angle measures 25 inches. what is the length of the other leg?
Solve the given third-order differential equation by variation of parameters. y''' − 5y'' − y' + 5y = e4x
What is the slope of the line given by the equation below? y = -2x + 8
what is the solution to the system that is created by the equation y=2x+10 and the graph shown below
a boat cost $12,500, and decreases in value by 12% per year. How much will the boat be worth after 9 years
What did the brown v. board of education decision do apex?
The length of a rectangular is 5/2 unites greater then twice its width if it’s width w which expression gives the perimeter of the rectangle in terms w
The dietary guidelines for americans recommends that children spend _______ minutes per day performing an age-appropriate exercise.