How do you solve #6= 2+ u#?

1 Answer
Mar 7, 2018

#u=4#

Explanation:

To find the value of #u#, we want to isolate #u#, which means getting it alone on one side of the equal sign.

In order to do this, we subtract 2 from the right side. However, since the right and left sides have to be equal, we also have to subtract 2 from the left side:
#6-2=2+u-2#

This gives us #4=u#.

To check this, we can substitute the value we found for #u# back into the original equation to see if it works:
#6=2+4#

Since this is correct, we know we were right.