Question

if you substract 3/4 from a number and multiply by the result 2 you get -5/4. what is the number​

Answer 1

let the number be x

so, 2(x - 3/4 )= -5/4

=> (4x-3/4)= -5/8

=> 4x-3 = -5/2

=> 4x = -5/2 +3

=> x = 1/2 * 1/4

=> x = 1/8

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