Answer: Nurek Dam is 300 meters tall
Explanation.
Nurek = x
35+x+x=635
35+2x=635
to get rid of 35 you subtract it from the left and the right
you would then get 2x=600
To get rid of the 2 move the two to the right side
New equation would be
x=600/2
600 divided by two equals 300
Hope this helps!
