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Q: What is 72 minus 39 plus 7 minus 2?

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2 + 3 - 72 = -67

A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9

12-3(2+15) = -39

4

Answer = 2 - (-3) = 2 + 3 = 5 minus minus means plus.

Zero

2 minus 2/5 plus 1/2 minus 4 = -1.9

2 − 39/8 = -27/8

It is plus 4

17

In addition and subtraction, if the plus sign is larger than the minus sign, then it's a plus. For example: +10 minus -20 = -10 If the plus sign is smaller than the minus sign, the answer will be a minus. For example: -10 minus + 20 = -10 In multiplication, if you have 2 plus signs, the answer will be a plus sign. If you have 2 minus signs, the answer will be a plus sign then, too. But if you have a plus and a minus sign, then the answer will be a minus. For example: +5 x + 2 = +10 -5 x - 2 = +10 -5 x +2 = -10

(13x + 39)(x + 2) * * * * * Don't you think it might, instead, be (13x - 39)(x - 2)? Multiply it out, and see!

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