10-08-2021
Mathematics

contestada

X+3y=2 and y=2x+3
Please explain using substitution method.

Respuesta :

Cynthia0109 Cynthia0109

10-08-2021

- X + 3Y = 2 (*)

⇔X = 2 - 3Y (1)

- Y = 2X + 3 (2)

(1),(2)⇒ Y = 2(2 - 3Y) +3

⇔ Y = 4 - 6Y + 3

⇔ Y = 1 (**)

(*),(**)⇒ X + 3×1 =2

⇔ X = -1

Answer Link

Otras preguntas

18. Which one of the following statements about making your writing fun to read is correct? A. Direct quotations should be reserved for characters in stori

If you wanted to find out what the average salary is for a certain occupation, what could you do

Who believes in a linear view of time

PLZ HELP ME. WILL GIVE LOTS OF POINTS

Choose at least three facts or ideas from Henry’s or paines writing that you can use to provide evidence for your claim, and briefly explain how they support yo

How is the slope derived from the conversion of potential to kinetic energy?

Which real-world situation may be modeled by the following graph? a-the sum of monthly fees over a year's time b-the acceleration of a rocket after lift off c-t

Dave throws a baseball straight up from a height of 6 feet with an initial speed of 35 feet per second. Write an equation to model the height, f(x), of the ba

Two planes start flying towards each other simultaneously from two different cities. The distance between the cities is 960 miles and one of the planes' speed e

Use the zero-product property to solve the following equation. -8(5n-2)=0