Seudónimo Seudónimo
  • 16-01-2015
  • Mathematics
contestada

Solve each system using substitution.

1. 4x= 3y-2 ; 18= 3x+y

2. 3x+2y= 23 ; 1/2x-4= y

Respuesta :

hppestano15 hppestano15
  • 16-01-2015
1. 4x= 3(18-3x) - 2
4x=54-9x-2
4x+9x=52
13x=52
x=4

substitute 4 for x
4(4)=3y-2
16=3y-2
16 + 2 = 3y
y=6

So your x would be 4 and y would be 6

to check your solution substitute x and y
4(4)=3(6) - 2
16 = 16 
Therefore that's the final answer for number 1. 
Answer Link

Otras preguntas

Jan has 37.50 tickets to a concert concert 5.25 each how many tickets can Jan buy
Is the most important ingredient in learning about hunting and hunting ethically?
In 2007, the population of North America was approximately 5.15 x 108 people and the population of South America was approximately 3.04 x 108 people. What is t
In which stage of meiosis does the separation of homologous chromosomes occur?
in "the gift of magi" how did dellas choices and interactions with others develop the plot
How many electors participate in each presidential election ?
A company named eyedetect has developed an eye tracking tool that could help detect what behavior
identify and briefly explain one reason why many buddhist in the post-classical south asian world converted to islam
Yo boys, need some help. Tania has 6 tiles with pictures of plants and 3 tiles with pictures of animals. Tania keeps all the tiles on a mat with the pictures hi
what do all the atomic models have in common?