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:negative five times x over negative five = fifty-three over negative five
Step 4: x = negative fifty-three over five
a
Step 1: She should have added 25 to each side.
b
Step 1: She should have divided both sides by −5.
c
Step 3: She should have divided both sides by −5.
d
Step 3: She should have multiplied both sides by −5.
Answers
Answered by
0
Answer:
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Step-by-step explanation:
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Answered by
1
Answer:
error is step 1
because..
-5x-25=78
-5x=78+25
-5x=53
x=53/-5
x=-10.6
therefor error is step 1
but answer is also right but her steps are wrong......
Ihope my answer is right
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