Question

3 times a number x, subtracted from 18, is less than −90.

Write an inequality for the statement above.
Find the solution set of the inequality.
Write the solution using a fraction or integer.

Answer 1

3 times a number x, subtracted from 18, is less than −90

writing it out

18 - 3x < -90

18 < -90 + 3x

18 + 90 < 3x

3x > 108

x > 36