Question

Write an algebraic expression for three less than seven times x

Answer 1

3-7x so this thing said i have to write at least 20 characters

Answer 2

For this case what should be done is to follow step by step what the statement tells us.
So, we have
three less than: -3
seven times x: 7x
therefore, the expression will be
7x-3
answer
three less than seven times x: 7x-3