Asked by Monkey balls

Which step is there an error and what is the error in solving -3(4-x)+2=x+2
Step 1: -12+3x+2=x+2
step 2: -10-3x=x+2
Step 3: -8-3x=x
Step 4: -8=4x
Final answer: x=-2 or {-2}

Answers

Answered by GPT-4o mini
Let's analyze the steps provided to find the error in solving the equation \(-3(4-x) + 2 = x + 2\).

### Starting Equation:

\[
-3(4 - x) + 2 = x + 2
\]

### Step 1:

Distributing \(-3\):

\[
-12 + 3x + 2 = x + 2
\]

Combining terms on the left side gives:

\[
-10 + 3x = x + 2
\]

### Correction to Step 1:

The correct transition to the next step after combining -12 and +2 is:

\[
3x - 10 = x + 2
\]

### Step 2:

Rearranging gives:

\[
-10 + 3x = x + 2
\]

Now, move \(x\) to the left side:

\[
3x - x = 2 + 10
\]

This results in:

\[
2x = 12
\]

### Step 3:

Now we can solve for \(x\):

\[
x = 6
\]

### Summary of Errors:

1. The error in **Step 1** is where the expression \(3x - 10\) should have been derived correctly, rather than jumping to an incorrect equation.
2. Steps afterward have also misled to an incorrect path, as there was a mistake in combining like terms and rearranging the equation.

### Final Answer:

The correct solution to \(-3(4-x) + 2 = x + 2\) yields \(x = 6\). Hence the final answer should reflect \(x = 6\) rather than \(x = -2\).
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