witakut witakut

14-06-2019
Mathematics

contestada

If 2x+y = 6 and x−6=y, what is the value of x?

(A) 0 (B) 2 (C) 3 (D) 4 (E) 6

Respuesta :

Аноним Аноним

14-06-2019

Answer:

x = 4

Step-by-step explanation:

2x + y = 6 ... (i)

x - 6 = y ... (ii)

y = 6 - 2x ... (i)

y = x - 6 ... (ii)

So,

6 - 2x = x - 6

x + 2x = 6 + 6

3x = 12

x = 12/3 = 4

Answer Link

Otras preguntas

PLS help needed ASAP for homework create you own dialogue in Spanish, full five funny sentences

please view this imagine & help meee:(

Is the following shape a square? How do you know?

3+5h-14 word phrase

Without shipping costs, a helmet costs 28.86. If Jordan paid 38.02 for the helmet, including shipping, how much did the shipping costs?

Sam deposits $1,000 into an account that pays 6% simple interest annually. He plans to take the money out after 3.5 years. What will the balance in his account

James had a fixation on how to best preserve fresh cut flowers. He tried various methods: adding bleach to the water, using filtered water, adding an aspirin ta

Type the correct answer in each box. 62 =

7. x = 5 and y = -2 A) parallel B) perpendicular C) intersecting D) both A and B

Rewrite the mixed number below as a decimal. 12 3 5