sadlittlemochi2 sadlittlemochi2
  • 01-05-2020
  • Mathematics
contestada

Find the solution for the system of linear equations by elimination: -3x + y = 2, 4x - y = 4 Explain how you found the solution.

Respuesta :

MikeMart77
MikeMart77 MikeMart77
  • 01-05-2020

Answer:

[tex]x = 6 \\ y = 20[/tex]

Step-by-step explanation:

1. Add the equations. The y's cancel out.

[tex] + 4x - y = + 4 \\ - 3x + y = + 2 \\ - - - - - - - \\ x = 6[/tex]

2. Embed x in either equation and find y.

[tex]4x - y = 4 \\ 4(6) - y = 4 \\ 24 - y = 4 \\ 20 - y = 0 \\ y = 20[/tex]

Answer Link

Otras preguntas

What value of x makes the equation true ? 4(2x-4)=16
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
find the circumference of a circle whose radius is 15.4cm
find the circumference of a circle whose radius is 15.4cm
find the circumference of a circle whose radius is 15.4cm
find the circumference of a circle whose radius is 15.4cm
All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})
In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times