lisetteg2006 lisetteg2006

25-11-2020
Physics

contestada

Solve this system of equations without graphing and show your reasoning

5x+y=7
20x+2=y

Respuesta :

lavenderlillacs25 lavenderlillacs25

25-11-2020

Answer:

Explanation:

5x + y = 7

20x - y = -2

25x = 5

x = (1/5)

5(1/5) + y = 7

1 + y = 7 .

y = 6

Answer Link

Otras preguntas

There is a rack of 7 billiards balls, numbered from 1 to 7. If one ball is selected at random, determine the odds against it being an odd-numbered ball. The odd

multiply (2x+3y)(x-y)

Katarina bought a package of 500 stickers. 25% of the stickers are hearts. The remaining stickers are stars. Select all the statements that are true.

Describe how to determine if a number is a solution to an equation.

7. I am currently 5 times as old as my daughter. In 6 years from now. I will be three times as old she will be then. Find our current ages. i will mark that ans

6.You now have the agreement with the company and will sign the contract as you and the company are satisfied with the contract agreement. Of course, this is wi

The atomic mall mass is an element depends upon the.

Norton Company purchased a building on January 2 by signing a long-term $480,000 mortgage with monthly payments of $4,500. The mortgage carries an interest rate

As the hr director of your company, you are interested in comparing the effects of strength training, aerobic training, and yoga on decreasing rates of injury a

For the following inequality, find a solution for the variable. Show all of your work and use complete sentences to explain the solving process that you used to