twice a number, added to 3, is equal to the negative of the number. what is the number?
let the number be x,twice the number means 2x,3 is added so 2x+3is equal to negative of the number means 2x+3 =-xso we need to solve,2x+3=-xor, 2x+x = -3or, 3x =-3therefore, x=-3/3 = -1 (answer)Please best all the answer which are helpful to you. Thanks :)
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