vanessa6666 vanessa6666

20-07-2021
Mathematics

contestada

Use elimination
X+y =9
X-y=7

Respuesta :

moranf611 moranf611

20-07-2021

Answer:

x = 8

y = 1

Step-by-step explanation:

x + y = 9

- ( x - y = 7)

-------------------

2y = 2

y = 2/2

y = 1

x + y = 9

x + ( 1 ) = 9

x = 9 - 1

x = 8

Answer Link

Otras preguntas

"Not all the treasures of the world, so far as I believe, could have induced me to support an offensive war, for I think it murder; but if a thief breaks into m

What is the value of 8 in 587

a scientist is creating a new synthetic material. the material’s density is 6.1 g/cm3. which sentences describe how the scientist can lower the material’s densi

investigations allow for the control of variables

how did the plebeians gain the right to vote

Does candle have cells

Tom has 7 more silver dollars than Jimmy. Together they have a total of 71 silver dollars. How many silver dollars does Tom have?

Frank bought me a NASA guidebook for further reading. which word is the indirect object in the sentence? A.Frank B.me C. reading D. guidebook

how does the lotus flower affect the men? it makes them drunk. it erases memory and ambition. it eases hunger pains. it makes the men extremely alert.

translate the phrase by finding the infinitive and conjugating it to match the subject. she teaches. → ella