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

What is the slope of the line shown? The graph of a line passes through the points (0, -2) and (6, 0). What is the equation of the line? please help fast 20 pt

what statement describes the danger of using heavy metals to control microbe growth? A.heavy metals promote biofilm formation in humans B.heavy metals stimulate

what part of a sewing machine is called spool pin and what are its function

A bracket ABCD having a hollow circular cross section consists of a vertical arm AB (L 5 6 ft), a horizontal arm BC parallel to the x0 axis, and a horizontal ar

Write the answer bottom

please help me if u do ill give to the best brainliest :)

The minimum injection pressure (psi) for injection molding specimens of high amylose corn was determined for eight different specimens (higher pressure correspo

Bill earns £800 for 5 years in a savings account. By the end of the 5 years he had recieved a total of £96 si ple interest. Work out the annual ratelf simple in

1. Write your answer using only positive exponents. (3ab^3c^-1)^3

5. Two men, Joel and Jerry, push against a car that has stalled, trying unsuccessfully to get it moving. Jerry stops after 10 min, while Joel is able to push f