Question

2^x+y=2^x-y=root8find the value of y=?​

Answer 1

Answer:

y=0. Explanation: Notice that the y terms are additive inverses. Add the two equations together to eliminate them. 2x+y=8 ...A 2x−y=8 ...B. A+B 4x=16. x=4. If x=4, y=0.

Step-by-step explanation:

ples make me brilanist