Question

Frank tried to solve an equation step by step. what is frank's mistake

Answer 1

Answer:

answer would be -3 = d

Step-by-step explanation:

hope it helps

Answer 2

Answer:

Frank did a mistake in step 2. When he solved step 1, he had to add -5 and -20. But instead of this, he subtracted 5 from 20. So, his answer came wrong.

If he had proceeded in the right way, his answer would come d = -5.

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