The problem
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In this example do you 1st subtract 6 and 3 to get 3. What makes A=3, and B=3?
Answer provided by our tutors
Go to 'Options', select 'Show: a lot of steps' and click 'Apply':
You will be able to see more step by step solution:
That is, we are using a formula:
That is why we say, in our example 'A = 3' and 'B = 3'