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

can anyone help me with this please?:)

9x - y power two - 20 ≥ 0 i need every passage

How many solutions does the equation 2(9x−6)=18x+2 have? A.Infinitely many B.No solution C.Number of solutions cannot be determined D.One solution

Which colony relied mainly on a single export product?

In your own words, explain the steps you would need to take to find slope from data in a table. The sample response is… Start by choosing two data points. Calc

Help me pls this is confusing

the diagram shows a race car traveling around the racetrack at a constant speed of 150km/hr. at which point on the track is the car accelerating

The relationship between the number of hours a plumber works and the total work fee she charges is proportional. Her fee for 5 hours of work is $350. Which of t

HELP ASAP!!!!!!!!!!! Write several questions (at least three) you would like answered in your report. Questions about my topic include:

A map has a scale of 3 cm : 18 km. If Riverside and Smithville are 54 km apart then they are how far apart on the map? rainliest plz solve