Brianna solved a two-step equation, but she made a mistake along the way.
2 answers:
On Line 3, Brianna should have divided by 0.1 instead of subtracting 0.1. is correct
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.
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