mccormickc
mccormickc mccormickc
  • 04-05-2021
  • Mathematics
contestada

Solve using substitution
–3x + y = –12
5x − 2y = 17
PLZ HELP Will give brainlist to whoever answers first

Respuesta :

Yang100
Yang100 Yang100
  • 04-05-2021

Answer:

x=7, y=9. (7, 9).

Step-by-step explanation:

-3x+y=-12

5x-2y=17

---------------

y=-12-(-3x)

y=-12+3x

y=3x-12

5x-2(3x-12)=17

5x-6x+24=17

-x+24=17

-x=17-24

-x=-7

x=7

y=3(7)-12

y=21-12

y=9

Answer Link

Otras preguntas

Genetic crosses Question:A brown coat is dominant to a white coat in cattle.  A farmer has a brown bull.  How would you determine whether the bull is a heteroz
what does the agora tell us about the culture of athens?
what percentage of 1457 is 898?
which of the following suffered most from DDT poisoning in the great lakes region
In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)
The number 6 is halfway between 4.5 and 7.5.Answer the missing numbers below.The number 6 is halfway between 2.8 and .......The number 6 is halfway between -12
Heating zinc sulfide in the air causes the formation of
what percentage of 1457 is 898?
In little Marsden the population is 17 222. The men and women together total 9142 and the women and children together total 13 201. There are ...... Women There
An oscillator makes four vibrations in one second. What is its period and frequency?