Callie solved this one-variable equation. when she was done, she tried to verify her answer, but found that it was wrong. can you find her mistake? 1 2 (4k + 8) = 10 1. 2k + 16 = 10 2. 2k = −6 3. k = −3

Mistake found in step 1

Step-by-step explanation:

Callie solved this one-variable equation. When she was done, she tried to verify her answer, but found that it was wrong.

Step 1:

Step 2:

Step 3:

In step 2, 2 is distributed inside the parenthesis

When 2 is multiplied inside the parenthesis, the equation becomes

She forgot to multiply 2 with 4k

So the mistake is in step 1

the perimeter is increased by a factor of 2

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step-by-step explanation: