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bm42400
04.08.2019 •
Mathematics
Can someone teach me how to add, subtract, multiply and divide negative numbers? here are some questions i need answered! 1: -4 + (-5) 2: 30 + (-17) 3: -3 + 4 - 8 - 7 !
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Ответ:
2) With this equation it's more difficult since you have a positive and a negative. Since 30 is bigger than 17 the answer will end up being positive. Which ever number is bigger will determine if it's positive or negative. You subtract like normally so, 30-17=13 your answer.
3) Combine all your like terms. So all your negatives. -3-8=-11. The equation then reads -11+4-7. You combine -11-7=-18. The equation then reads -18+4 and since -18 is bigger the answer will be negative. -18+4 equals -14.
Hope this helps
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