davids26 davids26
  • 12-04-2022
  • Mathematics
contestada

5x + 2y = 8
-4x + 10y = 40

Respuesta :

s13366
s13366 s13366
  • 12-04-2022
I hope I can help you:)
Ver imagen s13366
Answer Link
jimrgrant1 jimrgrant1
  • 12-04-2022

Answer:

(0, 4 )

Step-by-step explanation:

5x + 2y = 8 → (1)

- 4x + 10y = 40 → (2)

multiplying (1) by - 5 and adding to (2) will eliminate y

- 25x - 10y = - 40 → (3)

add (2) and (3) term by term to eliminate y

- 29x = 0 , then

x = 0

substitute x = 0 into (1) and solve for y

5(0) + 2y = 8

0 + 2y = 8

2y = 8 ( divide both sides by 2 )

y = 4

solution is (0, 4 )

Answer Link

Otras preguntas

What activities do Japanese students take part in each day?
-3x=24 A.)x=-8 b.)x=8 c.)x=27 d.)x=21
When using analytics programmes on your website, which of these do not fall under the category of a metric?A Browser users use to access your site B Unique visi
Find the LCD and solve then break the answers down to simplest form. Please help. Homework
A rotating object starts from rest at t = 0 s and has a constant angular acceleration. At a time of t = 7.0 s the object has an angular velocity of ω = 15 rad/s
What does S(4) mean?
If a player shoots from behind the three-point line. The made goal is worth three points. What is the best way to combine the two sentences or clauses? A. If
Explain the concept of checks and balances
List the mathematical order of operation. You will have several math problems.
Oscar jumped 1 and 1/4 feet. Deryn jumped 2 and 3/4. How much farther did deryn jump? Explain