nnatasiaj73
nnatasiaj73 nnatasiaj73
  • 26-05-2020
  • Mathematics
contestada

2x² = 5 + y
4y = -20 + 8x²

Solve the first equation for y and substitute it into the second equation. The resulting equation is

Respuesta :

Аноним Аноним
  • 26-05-2020

Answer:

2x² = 5 + y ---------    y=2x2−5

4y = -20 + 8x²---------- y=2x2−5

Step-by-step explanation:

1: Step 1: Flip the equation.

y+5=2x2

Step 2: Add -5 to both sides.

y+5+−5=2x2+−5

y=2x2−5

2: y=2x2−5

Hope this helps.

Answer Link
Аноним Аноним
  • 26-05-2020

Answer:

nah i can do it the other way around... the second one then the first one

Step-by-step explanation:

2x^2 = 5 + -5 + 2x^2

Which simplifies down to 2x^2 = 2x^2

Answer Link

Otras preguntas

help me out with this questions
more than sixty percent of American adults are overweight
I have no clue how to do this please help
Which element of government does the Constitution give full sovereignty to?
diseases caused by errors during meiosis and why? DO NOT COPY FROM GOOGLE OR I WILL REPORT YOU FOR PLAGIARISM
The following table shows some time zone pairings for specific cities. Read the table by row; for example, the first row on the table would read “When it is 10:
PLEASE HELLPPPPPPP!!!!!!
The interaction between buyers and sellers in the marketplace leads to goods and services being distributed by _____. market share price force
I need help on starting them! Please help!
A population of bacteriaanonymous 2 years ago A population of bacteria is changing exponentially according to the function below. How can you describe the bacte