The appropriate choice is ...
... On Line 3, Brianna should have divided by 0.1 instead of subtracting 0.1.
_____
Had Brianna simplified her effort properly on line 4, she would have
... -0.1 +0.1x = -1.4
putting her essentially back where she started—with a 2-step equation.
Answer: a cube
(you could have looked this up on google that's what I did)
They are making me write an answer with at least 20 characters sorry
The least common multiple for 3, 4, 5, 6, 10, and 15 is 60.
