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

an investor has 200k to invest among 4 possible investments including apple Inc. Each investment must be in units of 10k. Out of 200k, at least 50k must be inve
I don't understand this, Please Help!
Arlene purchased a used vehicle that depreciates under a straight-line method. The initial value of the car is $4000, and the salvage value is $400, If the car
what is NOT a function of the Digestive System
Read the paragraph. Alejandro put his finger on the piece and hesitated. If he messed up this move, it could be the end of the game. But, if he positioned himse
how can you ensure that your personal brand remains credible
i don't know how to do this please help ​
The figure shows a scale drawing of a park. What is the actual area of the park, to the nearest square kilometer?
L 5.1.2 Exam: Sementer Exam Which statement best explains what Mr. McConnell's dialogue reveals about his character? Mark looked at the grade on his math quiz.
Helpppppppppp. plsssss.Struggling :(