Question

How do u get a variable by it self

Answer 1

Divide the numerator on the fraction

Answer 2

To get the variable by its self you have to ether add or subtract. Example:
4=7+x+6x
4-7=7x
-3=7x
-3/7=x
Here's another example:
2t-12-3t=60
-t=60+12
-t=72
t=-72  Hope it helps!