sarasorrells sarasorrells

02-05-2021
Mathematics

contestada

What is the value of xin the solution to this system of equations?
y + 2x = -1
y =1/2x+4

Respuesta :

cwrw238 cwrw238

02-05-2021

Answer:

x = -2.

Step-by-step explanation:

y + 2x = -1

y = -2x - 1

y =1/2x+4

Subtracting the last 2 equations:

0 = -2x - 1/2x - 1 - 4

5 = - 5/2 x

x = 5 / -5/2

= 5 * 2 / -5 = -2.

Answer Link

Otras preguntas

how do you add 1/3 plus 4/10

Which sentence does not contain any errors? A. Be careful when writing your cs and os in the next few day's. B. What is you're decision about my request? C. Man

Which set of side lengths defines a right triangle? A. 6, 8, 11 B. 5, 12, 13 C. 7, 9, 13 D. 6, 9, 11

What value should be added to the expression to create a perfect square? x2 – 10x A. 25 B. –100 C. 5 D. 100

Which sentence contains an adjective clause? A. While he folds the laundry, Mom will iron the shirts and pants. B. After the toys were put away, we played sever

GCF of 24 , 36 , and 60

What can we infer about John Dryden’s view of Thomas Shadwell from the passage?

Which sentence is punctuated correctly? A. Three western cities I would like to visit are San Francisco, California, Portland, Oregon, and Seattle, Washington.

How were the achievements of the Mauryan and Gupta empires different? (4 points) The Gupta Empire promoted peace, while the Mauryan Empire conquered other group

Find the product of 543.1187 and 100 A. 5.431187 B. 54,311.87 C. 5,431.187 D. 54.31187 Can someone also explain how they came up with the answer so that I can u