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

In which middle colony were all religions treated equally?
What technique does O’Connor use in the paragraph to create compelling characters
what is an non example of a catalyst?
One major reason the antifederalists opposed the ratification of the united states constitution was because the constitution a- changed the balance of power bet
if the temperature was -3 degrees in the morning and 8 degrees in the afternoon the change in the temperature during that time
what amount is 1/10 of 200
HELP ASAP 1. The X-intercept of the line is -5 and the y-intercept of line is -2. What is the equation of the line? A. y= -5/2x-5 B. y= 2/6x+2 C. y= 5/2x-2 D.
Afla a+b+c+d tinand cont de relatiile:a-b=23435, b-c=34022, c-d=7803 ,d=53894
800,000 rounded to the nearest hundred thousand
what is the role of a aboriginal elder?