Question

Tìm x biết rằng 2x - 4 = 5

Answer 1

Answer:

The answer is   $\frac{9}{2}$

Step-by-step explanation:

$2x-4=5\\2x=5+4\\x=\frac{9}{2}$

Answer 2

Answer:

start by adding 4 to the other side. Now you have 2x=9. Now in order to get x by itself you divide and get x=9/2.