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1 vote
Nadya solves the equation 4x-4=20. Her work is shown below.

Step 1: 4x-4=20
Step 2: 4x=16
Step 3: x=4

Where did Nadya makes an error in her calculation? Explain.

Nadya solves the equation 4x-4=20. Her work is shown below. Step 1: 4x-4=20 Step 2: 4x-example-1

2 Answers

2 votes
4x-4=20
+4 +4
4x=24
divide both sides by 4
x=6
User Kaltezar
by
8.4k points
1 vote
step 2 she should add 4 not subtract
User Barunsthakur
by
9.0k points
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