Question

Ashley solved the equation for m using the following steps.

Answer 1

Answer:

the answer is B

Answer 2

Answer:

Ashley should have added 4.5 to both sides.

Step-by-step explanation:

Given expression:

$-4.5+m=17$

Ashley's solution:

Subtracted 4.5 to both sides and got,

$m=12.5$

Correct solution:

Adding 4.5 to both sides.

$-4.5+m=17$

 $+4.5$          $+4.5$

∴ $m=21.5$

Error made by Ashley was subtracting 4.5 both sides. Instead he should have added 4.5 both sides.