Respuesta :
Answer:
Ashley should have added 4.5 to both sides.
Step-by-step explanation:
Given expression:
[tex]-4.5+m=17[/tex]
Ashley's solution:
Subtracted 4.5 to both sides and got,
[tex]m=12.5[/tex]
Correct solution:
Adding 4.5 to both sides.
[tex]-4.5+m=17[/tex]
 [tex]+4.5[/tex]      [tex]+4.5[/tex]
∴ [tex]m=21.5[/tex]
Error made by Ashley was subtracting 4.5 both sides. Instead he should have added 4.5 both sides.