Answer:
a negative and a positive
Step-by-step explanation:
always equal a negative
and she put x next to 31.7 when x was not meant to be there
Answer:
She added before multiplying instead of multiplying before adding
Step-by-step explanation:
–31.7 + 4.5x
Let x=2.1
–31.7 + 4.5(2.1)
We multiply before adding
-31.7 +9.45
-22.25
