zekkosyt zekkosyt

02-11-2020
Mathematics

contestada

A system of equations is shown.

3x+y=20

2x−2y=8

What is the value of x+y for the system of equations?

Respuesta :

emmymstarr emmymstarr

03-11-2020

Answer:

x+y=8

Step-by-step explanation:

2(3x+y=20)

6x+2y=40

2x-2y=8

8x=48

x=6

18+y=20

y=2

Answer Link

Otras preguntas

Given: a = 640, A= 70°, B = 52° in triangle ABC; find c. Round answers to the nearest whole number.

c) You are flying a kite and have let out 30 ft of string but it got caught in a 8 ft tree. What is the angle of elevation to the location of the kite?

3) Danyelle needs to borrow $44,000 to finish her basement and consolidate bills. Will take out a home equity line of credit for either 7 years or 10 years at 4

Please help asap! Will give brainliest! Please answer correctly! No guessing!

Which of the following statements shows a characteristic of a statistical question? (4 points) Group of answer choices The question is focused. The distribution

If 32^2- 8^c+7, what is the value of c?

what is the solution to the inequality below 2x + 10 < 40

Some wasps lay their eggs on caterpillars called tomato hornworms. When the eggs hatch, the young wasps burrow into the caterpillar's body and eat it alive. The

Find the value of X in the triangle shown below

Which term describes the image of an object located between a concave mirror and its focal point? A. real, inverted B. real, upright C. virtual, inverted D. vir