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

how does the author incorporate humour in the story mothers day?( topic mother's day by John Boynton Priestley)​
if you complete 13%of a problem in 3 hrs how long will it take to get 100% of the problem completed?
Cuantas veces le cabe el 15 a el 13
A firewall administrator has configured a new screened subnet to allow public systems to be segmented from the organization's internal network. The firewall now
what are the advantages of each type of stretching? what are their disadvantages? which kind of stretching is most suitable for warm-up exercises?
simplify the expression 3a+7+(3+a)
Briefly describe Buber's continuum of I-It, I-You, and I-Thou communication - how does this continuum help us define interpersonal communication?
what is the times table
Solve 3x2 + 6x + 15 = 0
Gross weight placed on highway by wheels of one axle: a) Axial Load b) Axle Weight c) Tandem Axle d) Wheelbase