Question

Erica solved the equation −5x − 25 = 78; her work is shown below. Identify the error and where it was made. (5 points)

−5x − 25 = 78
Step 1: −5x − 25 − 25 = 78 − 25
Step 2: −5x = 53
Step 3: =
Step 4: x =

Answer 1

it would be step one because she is supposed to add 25 to each side then divide by 5

Answer 2

Step 1 is to add 25 to both sides
Step 2 is to add 78 + 25 so it can be 103
Step 3 is divide both sides by -5
Step 4 is x = -103/5

*Step one is wrong because its suppose to be -5x = 78 + 25