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

How do you tell different 3-d polygon shapes
240 inches equals how many feet
Second, the Soviet Union, unlike previous aspirants to hegemony, is animated by a new fanatic faith, anti-thetical to our own, and seeks to impose its absolute
I need help with question 6-8
2xy + 5 - 8 +3xy -y +7 + 3 y= ___ xy -8 ____ + ___ y +___ I don't understand help please :*
Consider these three numbers expressed in scientific notation: 2.4 × 10^4, 6.3 × 10^5, and 9.6 × 10^7. Which number is the greatest, and by how many times is it
What are 3 types of plate boundaries?
Why is activation energy required to start some reactions? A.)to break the bonds of an endothermic reaction B.)to overcome electron repulsion of an endothermic
Mr. Diaz is building a fence around his yard. For numbers 3a-3b, choose the values and term that correctly describe the shape of Mr. Diaz's fence.
point M(4,3) is translated according to the rule (x,y,) to (x + 2,y -5