elahsamanrique elahsamanrique

23-04-2020
Mathematics

contestada

(08.03)
Solve the system of equations and choose the correct answer from the list of options. (4 points)
x-y=7
y = 3x + 12

Respuesta :

princedavidanicet6 princedavidanicet6

23-04-2020

Answer:

rearrange them properly to get

x-y=7

-3x+y=12

( by elimination method)

x-y = 7

-3x+y=

(x+ –3x) + (–y+y) = (7+12)

-2x+0= 19

x= -9.5

from eqn(i)

x-y=7

-9.5 - y=7

-y=16.5

y= -16.5

Answer Link

Otras preguntas

Who created the first billion-dollar corporation by combining three large steel companies

answer this pls thanks

a positive and a negative charge are released from rest in vacuum. they move toward each other. as they do:

The author understands the meaning of "giving" is "should give people the same things that they need, rather than giving people the wastes they don't need. Do y

what was the impact of increased trade on the european renaissance

Please help with this :))

this model of the carbon cycle shows the continuous movement of carbon atoms between the biosphere atmosphere hydrosphere and geosphere. some process store carb

Multiply. (−1 13/14)⋅(1 5/9) What is the product? Enter your answer in the box.

Who seeks out information about products a seller has to offer

Identify the following clause as either independent or dependent. since I don't have lunch money independent dependent