phouattara
phouattara phouattara
  • 17-09-2020
  • Mathematics
contestada

y=-2x-3 and 7x-5y=-6. solve by substitution

Respuesta :

meredith48034
meredith48034 meredith48034
  • 18-09-2020

Answer:

Step-by-step explanation:

y = -2x - 3

7x - 5y = -6

7x - 5(-2x - 3) = -6

7x + 10x + 15 = -6

17x = -21

x = -21/17

y =  -2(-21/17) - 51/17

y = 42/17 - 51/17

y = -9/17

(-21/17, -9/17)

Answer Link

Otras preguntas

What did you do in your holiday/Where will you go next/What did you like about your holiday? Please give me some french sentences including A/A* grade level pun
THE LAW OF CONSERVATION OF ENERGY WHAT HAPPENED TO THE LIGHT ENERGY ONCE THE PLANTS OBTAINED IT?
The cost of renting a moving van for a 26 mile trip is $62.50. the cost of renting the same van for a 38 mile trip is $65.50 The cost changes at a constant rat
The chemical formula for emerald is Be3Al2(SiO3)6. An emerald can be described as
What does Seattle say about integrating white and Native American cultures? A. It will happen naturally when the railroads open the West to the whites. B. It w
Find the percent of each number: 0.55% of 220=
Even though lipids and carbohydrates are made from the same elements (carbon, hydrogen, and oxygen), why is it easy to tell them apart when viewing a model of
A fence 8 ft tall runs parallel to a tall building at a distance of 4 ft from the building. What is the length of the shortest ladder that will reach from the g
Which is a sentence fragment? I do. Although I want. You can’t make me. You try.
How do you use active transport in a sentence