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

Cod fry often settle under the bell of some jellyfish species, whose tentacles are poisonous. Name the form of relationship illustrated by this example. Assume

What is the most common way to contract a disease-causing germ

solve for x -[tex]\bold{x {}^{2} - 4 = 0}[/tex]ty! ~

please help me! I really need this answer

which equation matches this graph?

which of the following is not an internet service?(a) E-supermarket(b) Blogging(c) E-commerce(d) E-mail

The half-life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific, how much I-131 will be

Please order the following formal conversation between two people meeting for the first time. There is only one way the conversation works. Be sure to note what

The star shape is made from a regular hexagon and six congruent equilateral triangles The area of the star shape is 96cm squared Work out the area of the regula

Solve the system of equations by graphing. y = x − 6 3x − 3y = 18