billingsm2005 billingsm2005

20-02-2019
Mathematics

contestada

{y=2x+3
{y=-x-9 solve each system of equations by substitution

Respuesta :

Ammimochi Ammimochi

21-02-2019

Substitute y = 2x + 3 into y = -x - 9

2x + 3 = -x - 9

Solve for x in 2x + 3 = - - 9

x = -4

Substitute x = -4 into y = 2x + 3

y = -5

Therefore,

x = -4

y = -5

Answer Link

Otras preguntas

How do I find the radius from the circumference of a circle

Which excerpt from "What the Black Man Wants" best summarizes the speech?

Stephanie and alejandro were planning thier wedding. Stephine saved up four times. more money than alejandro because he lost his job at walmart. Together $15,60

Sound travels about 750 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo. Suppose it takes about 0.5 seconds to hear the echo. H

Find sin(a) in the triangle. Any help will be appreciated thank you

In a circle with a radius of 3 ft, an arc is intercepted by a central angle of 2π/3 radians. What is the length of the arc?

I need help please help

Graph f(x) = x+1 What kind of function is it? Describe the graph.

What was a cause of opposition to the war in both the North and the South? O A. Military victories O B. European involvement O C. Food shortages O D. All of the

What is the simplified form of the following expression? (1)/(10)\sqrt(10,000a^(10)b^(10)) 10|a5b5| 10a8b8 100|a5b5| 100a8b8