You have to add all then you subtract the answer to last number and you will get your answer<span />
Answer:
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Step-by-step explanation:
Answer:A
Step-by-step explanation:
Answer: x = 63
Step-by-step explanation:
15/3 = 5
3 * 21 = 63
63/15 = 21/5
A = D/BC. In order to isolate A, all you do is divide by BC