16-12-2020
Mathematics

contestada

Solve for 5x - 7 + 2x = 21
Help this will be very much appreciated .

Respuesta :

rainboweclipse1 rainboweclipse1

16-12-2020

Answer:

x = 4

Step-by-step explanation:

Pull out like factors: 7x - 28 = 7 • (x - 4)

Solve: x-4 = 0

Add 4 to both sides of the equation: x = 4

Please mark as brainliest.

Thanks!

Answer Link

isaiah8063 isaiah8063

16-12-2020

I think it’s 4 but I’m not sure

Answer Link

Otras preguntas

What word describes all of the processes that happen in a living thing?

Describe the limitations of using models to represent atoms

Materials that are poor conductors of thermal energy are called..... Materials that are good conductors of thermal energy are called ...

What word describes all of the processes that happen in a living thing?

The periodic table shows that a carbon atom has six protons. This means that a carbon atom also has...

differenciate by first principles f(x) = 4x²-4x-3

Determine the equation of g(x) that results from translating the function f(x) = (x + 10)2 to the right 12 units.

How do you find the x intercept and coordinates of the vertexfor the parabola y=x^2-14x+49????

differenciate by first principles f(x) = 4x²-4x-3

“A horse pulls on a cart. By Newton’s third law of motion, the cart pulls back on the horse with a force equal to that exerted by the horse on the cart. The su