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According to the statement twice a number minus 2 is 8 the answer is 5.
2 - -2 = 2+2 when u minus a negative number you add it.
2 times a number minus 17 plus 20 times a number minus 9 is the same as 2x - 17 + 20x - 9 = 22x - 26
27
Minus. You are multiplying a negative number a positive number of times. -3(2) -9