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Error Analysis

identify the first step that contains an error.
Solve: -38 = 4x -2(x + 5)
Step 1: -38 = 4x - 2x -10
Step 2: -38 = 2x - 10
Step 3: -48 = 2x
Step 4: -24 = x



User Erex
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1 Answer

4 votes

Answer:

Explanation:

-38 = 2x - 10 becomes -28 = 2x, NOT -48 = 2x.

User Ced
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