reynarrome2
reynarrome2 reynarrome2
  • 03-04-2021
  • Mathematics
contestada

If x−2y=−1 and 8x+4y=5 are true equations, what would be the value of 7x+6y?

Respuesta :

Hrishii
Hrishii Hrishii
  • 03-04-2021

Answer:

7x + 6y = 6

Step-by-step explanation:

x - 2y = - 1..... (1)

8x + 4y = 5...(2)

Subtracting equation (1) from equation (2)

8x + 4y - ( x - 2y) = 5 - (-1)

8x + 4y - x + 2y = 5 + 1

8x - x + 4y + 2y = 6

7x + 6y = 6

Answer Link

Otras preguntas

Write a pair of numbers such that the value of the 7 in the first number is 1000 times the value of the 7 in the second number, and the value of the 3 in the fi
what is a common noun for south america
Factoring Trinomials (a=1)n^2 + 4n -12
Lila scores 15 points fewer than Bob, who scores 35 points. Carol scores half as many points as Lila. How many points does Carol score?
whats the answer for -9x+1=-80 ? show work please
Write the number in two other forms 0.632
The value of the underlines digit in (3) 326,619 is 3 hundred thousand true or false
At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?
How you solve 7p+9=81
What is the value of the digits 4 in the number 84,230