anjithaa23
anjithaa23 anjithaa23
  • 04-12-2019
  • Mathematics
contestada

How to substitute for -5x+3y=51 and y=10x-8

Respuesta :

Yang100
Yang100 Yang100
  • 04-12-2019

Answer:

x=3, y=22. (3, 22).

Step-by-step explanation:

-5x+3y=51

y=10x-8

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

-5x+3(10x-8)=51

-5x+30x-24=51

25x-24=51

25x=51+24

25x=75

x=75/25

x=3

y=10(3)-8

y=30-8

y=22

Answer Link

Otras preguntas

would you rather be a senator or a representative member? why or why not?
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
whats Henry Hudson interesting facts?
what percentage of 1457 is 898?
Factor completely, the expression: 2x^3-2x^2-12x
how are the themes and topics different
what did henry hudson claim land for
What are three interesting facts about Susan B. Anthony's childhood ?
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)
Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.a) after how many years will she have 64 rabbits?b) write and equation to model t