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B) - 12 : ( - 3) + 5?

B) - 12 : ( - 3) + 5. ? = - 16 C)4. ( - 2) - ? : ( - 3) - ( - 1) = - 2 D) ( - 2 - ? + 4) : ( - 2) - ( - 4) = 0.

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Lobomannn

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B)( <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-12%7D%7B-3%7D%20" />) + (5 * X) = - 16 (5X) = - 16 - ( <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-12%7D%7B-3%7D%20" />) 5X = - 16 - 4 5X = - 20 X = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-20%7D%7B5%7D%20" /> X = - 4 C) (4 * ( - 2)) - (<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BX%7D%7B-3%7D%20" />) - ( - 1) = - 2 - 8 + <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BX%7D%7B3%7D%20" /> + 1 = - 2 <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BX%7D%7B3%7D%20" /> - 7 = - 2 <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BX%7D%7B3%7D%20" /> = - 2 + 7 <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BX%7D%7B3%7D%20" /> = 5 X = 5 * 3 X = 15 D) (<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-2%20%20-%20X%20%2B%204%20%7D%7B-2%7D%20" />) - ( - 4) = 0 (<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%20-%20X%20%7D%7B-2%7D%20" />) + 4 = 0 ([img = 10]) = - 4 2 - X = ( - 4) * ( - 2) - X = 8 - 2 - X = 6 X = - 6.