Question

If 2x + y = 12 and 2x - y = 12, find the value of x​

Answer 1

Answer:

2x + y = 12

y = 12 - 2x .......1st eq!

than,

2x - 12 + 2x = 12

4x = 24

x = 6

also,

2 * 6 + y = 12

y = 0

thanks

Answer 2

Step-by-step explanation:

We know that 2x + y and 2x - y both are equal to 12

So: 2x + y = 12

2x - 12 = -y

2x = -y + 12

x = -y +12/2

x = -y/2 + 6