Romanxxxx
Romanxxxx Romanxxxx
  • 15-12-2021
  • Mathematics
contestada

Linear combination
-3+y=10
2x-7y=6

Respuesta :

jimrgrant1 jimrgrant1
  • 15-12-2021

Answer:

x = 42.5 , y = 13

Step-by-step explanation:

- 3 + y = 10 (add 3 to both sides )

y = 13

2x - 7y = - 6 → (1)

Substitute y = 13 into (1)

2x - 7(13) = - 6

2x - 91 = - 6 ( add 91 to both sides )

2x = 85 ( divide both sides by 2 )

x = 42.5

Answer Link

Otras preguntas

-4x^2+2x-5(1+x) what is the answer
Which of the following is not a common type of hazardous mechanical motion? a) In-running nip points b) Transversing c) Shearing d) Reciprocating
Prince Henry the Navigator paid for voyages that increased the knowledge of the____ coast A. African B. European C. North American D. South American
who claimed the pacific ocean for spain?​
What was John Lockes Enlightenment ideas?
if the area of square is 49sq.m find the length of one side and perimeter​
A package of 5 pairs of insulated gloves costs ​$43.95. What is the unit price of the pairs of gloves​?
solve the following proportion n-5/10 = n+4/2
Your desktop, internet explorer, and the media player can be started from this area on most computers
complete the multiplication problem to find the answer 36.1 times 1.1