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

In the following expression, 7x +15, what is the 7? A. coefficient B. term C. constant D. variable​
i need help only 15 mins left of test​
how many decimals has the product of 3.99 and 3.3Show work please
A jar contains 444 red marbles, 444 green marbles, and 555 blue marbles. If we choose a marble, then another marble without putting the first one back in the ja
si f(x)=4x+5 cual es el valor de f(_3)?​
The law of_____ is the law describing how factors for the same trait go to different gametes. The answers or on the photo
twice a number is 24a. 2- n = 24b. 2 + n = 24c. 2 / n = 24 d. 2n = 24​
Which verb form is an example of the future perfect tense? A. gone B. will go C. will be going D. will have gone WILL MARK BRAINLIEST !!!!!!!!!!!!!!!!!!!!!!
(06.02 LC) Read and choose the option with the correct irregular progressive tense verbs. Matilda y Fernando ________ (servir) la cena mientras nosotros miramos
what is the vertex and range of the graph