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Which of the following has all the justifications Kelsey used to solve this equation? (9th grade Algerbra 1)
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Which of the following has all the justifications Kelsey used to solve this equation?

(9th grade Algerbra 1)

Which of the following has all the justifications Kelsey used to solve this equation-example-1
User Subin
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Option A, she added the one on both sides which makes it addition property of equality
User Damir Horvat
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