gtsaling190 gtsaling190
  • 03-11-2021
  • Mathematics
contestada

x+y=7

2x+7y=9

solve using elimination
I'll give brainliest

Respuesta :

wizard46
wizard46 wizard46
  • 03-11-2021

Step-by-step explanation:

7x+7y=7

-2x-7y=-9

7-7 will be Cut

so,

5x=-2

x=-2/5

x=-0.4

7(-0.4)+7y=7

-2.8+7y=7

7y=7+2.8

7y=9.8

y=9.8/7

y=1.4

HOPE IT HELPS!!

Answer Link

Otras preguntas

Some scientists have collected and stored seeds for many types of food-producing plants. The purpose of this is to (1) increase the destruction of environments
Why are Shakespeare's plays considered difficult for modern students to understand? a. The plays were translated from another language and sometimes don't make
how is it possible for a compound to both have ionic and covalent bonds
how is the difference 14/15-5/12 written as a decimal?
All objects in the universe radiate some form of energy. a. True b. False
Identify two similarities between ionic and covalent bonding
What is one way that some bacteria are helpful to the human body? How do some bacteria harm the body?
If you were a specialist working for the National Security Agency, your main job would likely be a. analyzing data from spy satellites. b. working in the fiel
circle the number sentences that show same addends in a different order 4 5=9 5 4=9 6 3=9.
What arguments were made in opposition to imperialism and the Spanish-American War? I NEED ANSWER ASAP