Steph23465 Steph23465

04-02-2016
Mathematics

contestada

Y=-2x-6
Y=x+9
Elimination method

Respuesta :

apologiabiology apologiabiology

04-02-2016

so we have
y=-2x-6
y=x+9
elimination
multiply second by e
2y=2x+18
just add them

y=-2x-6
2y=2x+18 +
3y=0x+12
3y=12
divide by 3
y=4
subsitue
4=x+9
subtract 9
-5=x

x=-5
y=4

Answer Link

Otras preguntas

Can someone please tell me the answer for this

What is the slope of the line given by the equation y 2 = −3(x − 7?

15 POINTS PICK THE TOP 20 BEST RATED MOVIES AND EXPLAIN WHAT THEY ARE ABOUT

Hitler violated the terms of the treaty of versailles by rearming Germany true or false

Suppose that in a senior college class of 500 students it is found that 210 smoke, 258 drink alcoholic beverages, 216 eat between meals, 122 smoke and drink alc

a surveyor measures the angle of elevation to a point on a mountain to be 18 degrees. the point on the mountain is horizontally 4 miles away from the surveyor.t

PLEASE I NEED THE CORRECT ANSWER !!!

What causes the phases of the moon as seen from earth? a.light from the sun reflects off the moon as it orbits earth. b.hundreds of thousands of miles lie bet

select the correct meaning associated with the term unique

What two things does daisy tell the narrator on the porch in great gatsby?