1 Answer

Yaser · Answer 1 · 2017-10-15T10:41:46+0000

The product of a number and 3 can be represented as 3n (where n = unknown number). Then 6 less than 3n is 3n - 6.

3n - 6 = -18
3n = -12
n = -4

Check:
-4 x 3 = -12
-12 - 6 = -18 (this works!)

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