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find how long it take $600 to double if it is invested at 7% interest compounded monthly.

How do i do this using elimination 2x+3y=12 x-y=6

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14