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

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

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