Greetings!
"<span>The difference of six times a number and 7 is -49"...
In number and variables, this would be:
</span>

<span>
Add
7 to both sides.
</span>

<span>Simplify.
</span>

Divide both sides by
6.

Simplify.

Hope this helps.
-Benjamin
The answer is 18 because u multiply when u see the word of
The least common multiple is 2. 2 is the highest number that goes in to each of these numbers.