cameronbeaugh cameronbeaugh

03-02-2019
Mathematics

contestada

solve 3x-18=2y and 5x-6y=14 by elimination or substitution . SHOW ALL WORK!!!

Respuesta :

mathecoach mathecoach

03-02-2019

Answer:

3x - 18 = 2y

5x - 6y = 14

5x - 3*(2y) = 14

5x - 3*(3x - 18) = 14

5x - 9x + 54 = 14

-4x = -40

x = 10

3*10 - 18 = 2y

30 - 18 = 2y

12 = 2y

y = 6

Ver imagen mathecoach

Answer Link

Otras preguntas

What is the value of x in the equation 1/5x - 2/3y = 30, when y = 15?4880200

Do you believe your local power company is doing enough to reduce dependence on nonrenewable energy sources? Why or why not?

Diaz Company owns a machine that cost $125,200 and has accumulated depreciation of $93,100. Prepare the entry to record the disposal of the machine on January 1

Quien me ayuda a hacer esta operación :(, es súper urgente

1. Which 4 people oppose war with Britain and what are their reasons for not wanting to go to war?

One end of a string 4.32 m long is moved up and down with simple harmonic motion at a frequency of 75 Hz . The waves reach the other end of the string in 0.5 s.

Which country is Paraguay often confused with m?

which sentence uses "blue" as an abjective.A blue is my favorite colorB my cat's name is blueC the blue parakeet sang all dayD orange goes well with blue

What evidence did Darwin use to support his theory of evolution? Select three options. 1. in-depth studies of individual organisms 2. observations of fossils 3

how many moles of water as a gas can be formed 2.45 L