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

User Vijay P R
by
8.1k points

1 Answer

4 votes
In mathematical expression, we can write it as:
18 - 3x < -90

Subtract 18 from both sides,
-3x < -108
Cut the minus sign,
3x < 108
Divide both sides, by 3
x < 36

In short, Number is smaller than 36

Hope this helps!
User Akash Agrawal
by
7.4k points

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