Spiderskull20 Spiderskull20

23-03-2019
Mathematics

contestada

-3x - 3y = -30
-2x + 7y = -2

(This is elimination)

Respuesta :

qumpelka qumpelka

23-03-2019

Answer:

Step-by-step explanation:

-3x - 3y = -30

-2x + 7y = -2

-3x - 3y = -30 /*(-2)

-2x + 7y = -2 /*3

6x + 6y = 60

-6x + 21y = -6

6x - 6x + 6y + 21y = 60 - 6

27y = 54

y = 2

-3x - 3y = -30

-3x - 3*2 = -30

-3x - 6 = -30

-3x = -30 + 6

-3x = - 24 / : (-3)

x = 8

Answer Link

Otras preguntas

Can you please help me questions 4,6,7,8,9,10,and 11 ASAP.

"The Holocaust" of World War II generally refers to the?

If you have $5.00 & your friends have $20.00 how much money do you need?

how do you write 5 13/20 as a percent

How many leaders can be in an oligarchy government?

which of the following should always be capitalized? a.) adjectives made from proper nouns b.) the words street, Road, and Boulevard c). all pronouns d.) all wo

clothes in a dryer acquire static cling by

in order of decreasing light-transmitting capabilities of materials,which is correct sequence?

Please answer these questions (only answer 55-63 please)

Which condition is a result of using an anaerobic digester? a. increase in the road quality by coating with material from the anaerobic digester b. increase i