dagatto7 dagatto7
  • 18-06-2021
  • Mathematics
contestada

Solve the following system of equations with the substitution method.
{x+y=25
y=4x
(x,y)=( , )

Respuesta :

Аноним Аноним
  • 18-06-2021

Answer:

(5,20)

Step-by-step explanation:

x+y=25

If you substitute y=4x,

x+4x=25

Now add like terms

5x=25

Divide 5

x=5

Put it back into the equation

5+y=25

Subtract 5

y=20

Answer: (5,20)

Answer Link

Otras preguntas

Use a graphing calculator or spreadsheet software to solve 4x + y + z = 1 8x – 4y – 7z = 2 5y + 9z = 3 using matrices.
What was the cause of Hindley’s cruel behavior toward Heathcliff? A) Heathcliff was more intelligent than Hindley. B) Mrs. Earnshaw treated Heathcliff with grea
To find the key words in a sentence, start with the _____.
Suppose you buy a CD for $250 that earns 3% APR and is compounded quarterly. The CD matures in 5 years. Assume that if funds are withdrawn before the CD matures
1. When you're scanning material, what tends to stand out the most A.The main idea B.Common nouns C.Supporting ideas D.Proper nouns 2. What information do a
Is Marilyn in “The Cold Equations” a “good” person or a “bad” person? What examples from the story make you think this? Explain your answer in three to five sen
What makes Martin Luther King a hero of faith ?
which protist exhibits both animal like and plant like characteristics
fungsi dan keadaan fort margherita mada kini
Solve 3x +5 =14 please help me