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Which step in the solution contains the first error?

Which step in the solution contains the first error?-example-1

1 Answer

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Answer:

Step 4

Explanation:

In Step 1, the first equation is correctly multiplied by 2.

In Step 2, the two equations from step 1 are correctly added.

In Step 3, the value of x is correctly determined by dividing by 11.

In Step 4, the value of x is incorrectly substituted for y in the original first equation.

The first error is in Step 4.

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