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3x −  (8x − 2) = 4

Step 1: 3x − 4x + 1 = 4
Step 2: x + 1 = 4
Step 3: x + 1 − 1 = 4 − 1
Step 4: x = 3

Which step was the error made and why?

 Aug 28, 2020
 #1
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From Step 0 --> Step 1

It should be equal to 3x - 8x + 2 = 4, not 3x-4x+1 = 4

From Step 0 --> Step 2
It should be eqaul to -x + 1 = 4 not x + 1 = 4. 

 Aug 28, 2020

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