According to the calculator they have different answers, the first being 32 and the latter being 17. I got the answer 22 when i worked it out.
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I’ve always been taught PEMDAS, but I’ve heard conflicting explanations on that. So I’ll tell you how I personally got to my answers.
First equation: do parentheses first. So 5+6= 11, then do multiplication. 11×3= 33. Finally subtract the 1. Answer =32.
Second equation: parentheses first. 3-1= 2. Then multiplication. You would have 5+6×2. Or 5+ 6(2) = 5+12 which would be 17.
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