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x 3x 2 si x 3

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-x+3x-2,si x=3

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Answer to a math question -x+3x-2,si x=3

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To find the value of the expression -x + 3x - 2 when x is equal to 3, you can substitute the value of x into the expression and simplify: -3 + 3(3) - 2 Now, perform the calculations step by step: -3 + 9 - 2 Now, add and subtract: -3 + 9 = 6 6 - 2 = 4 So, when x is equal to 3, the expression -x + 3x - 2 equals 4.

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