.
a friend asks you to think of a number, triple it, and then subtract 2. Write an algebraic expression using the variable x
to describe your friend's directions. Then find the value of the expression if the number you think of is 5.
~~~~~~~~~~~~~~~~~
-----------------------------------------------------------------------------
a friend asks you to think of a number, triple it, and then subtract 2.
-----------------------------------------------------------------------------
x, the number thought
After that, with the number you think of is 5, the value of the expression is
3x - 2 = 3*5 - 2 = 13.
The answer "5" given by @josgarithmetic is W R O N G.