gabbya43 gabbya43
  • 25-01-2021
  • Mathematics
contestada

Solve the system using substitution. -2x+5y=19
3x-4=y

Respuesta :

krisyeet253
krisyeet253 krisyeet253
  • 25-01-2021

Answer:

answer is x=3 and y=5.... so it is (3,5)

Step-by-step explanation:

you want to combine them so y=3x-4 so subsitute y

-2x+5(3x-4)=19

-2x+15x-20=19

            +20   +20

13x=39

---    ---

13     13

x=3

now subsitute 3 into x into any problem...

3(3)-4=y

9-4=y

and 9-4 is 5 so it is...

(3,5)

pls give me brainliest

Answer Link

Otras preguntas

How do you think the author decided on the sequence of his memories in the poem I Remember?
Sight reading interferes with a musician’s sensitivity to musical details. True False
Fish swimming at a constant speed of 0.5 m/s suddenly notices a shark appear behind it. Five seconds later, the fish is swimming in the same direction at a spee
Please help me I'm not sure how to get the value of the letters​
Rush Order According to this food web, which of the following organisms do wolves eat? Food web starting with sun and pointing to grasshopper and squirrel; Gra
pleeeease help plsplsplsplsplspls im desperate!!!!!!
solve for a p= w/a ......................................................
The length and width of a rectangle are represented by 2x+3 and x-1, respectively. What is the perimeter of the rectangle? *
I don't understand how to do this!​
what is “and you” (formal)