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

A room has the following dimensions: L : 16' W: 12' H : 10' What is the area of the room?

what is 69 / 2 in a decimal

If an electron is gained, the atom has a _____ charge. positive negative

Was steam power used to excavate this part of the canal

why is the middle kingdom the golden age

7002 divided by 52 and show your work.

Antonyms: Match the word with the word or phrase most nearly its opposite. 18. (5 pt) posthumous a. before birth b. ancient c. after death d. courageous

Which sentence would be an effective thesis statement for a historical essay on the American industrial revolution? The American industrial revolution grew out

How would you use vacuole in a sentence

Of the countries listed below, only ___________ did not remain Catholic during the Reformation. a. Spain c. Hungary b. Italy d. Scotland