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

What do the stage directions tell the reader about Steve and Charlies point of you
Which sentence from the introduction [paragraphs 1-6] BEST explains why many people are staying at home? Question 4 options: Keeping ourselves entertained from
why did Athens have so many people on their juries
A salesman travelled 2/5 of his journey before lunch and 3/8 of his journey after lunch. What fraction of his journey has he still to complete? Please explain
4x+5 and 85 solve for x?
How many pairs of chromosomes exist in each of your cells?
write a brief description of how counties originated in the United States and how they have changed over time.​
There are 108 ducks at the zoo. If 75% are brown, how many brown ducks are at the zoo?
Biologists have observed that the chirping rate of crickets is linearly related to temperature. A cricket produces 120 chirps per minute at 70 F and 168 chirps
What is the radical and simplest form of 16 5/4