Hi,

Let x represent the smaller number,  then the larger number is (3x + 5)

write as we read***

2x -4(3x +5) = 0

solve for x

2x - 12x - 20 = 0

-10x - 20 = 0

-10x = 20

x = -2 is the smaller number

(3x + 5) = -2*3 + 5 = -1  is the larger number

checking our answer

2*-2 - 4*(3*-2 + 5) = -4 - 4*-1 = -4 + 4 = 0 

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