Question: A student simplified i -18 as shown. Provide justification for this correct work. i-18i-18. i20 = i-18+20= 2 = 1

A student simplified i-18 as shown. Provide justification for this correct work.i-18i-18. i20 = i-18+20= 2 = 1

i-18i-18. i20 = i-18+20= 2 = 1

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