Question

if y = 6x + 11 what's 2y - 4x = 14

Answer 1

Answer:

x = -1 and y = 5

Step-by-step explanation:

y = 6x + 11

Equation is:-

2y - 4x = 14

Substitute value of y in the equation:-

2(6x + 11) - 4x = 14

12x + 22 -4x = 14

8x = 14 -22

8x = -8

x = -1.

Now, substitute this in value of y:-

y = 6(-1) + 11

y = -6 + 11

y = 5.

Answer 2

Answer:

Here I guess we need to find the value of x and y

Step-by-step explanation:

First consider this,

y= 6x + 11  … (i)

2y-4x = 14 …(ii)

Now take the value of y from (i) and place it in (ii) equation,

therefore we get,

2(6x +11) - 4x = 14

equating this,

12x + 22 -4x = 14

8x +22 = 14

8x =  -8

x=-1

since x = -1,

y = 6(-1) + 11  (here we place x = -1)

y = 5

So the answer is x = - 1 and y = 5