(X+500)÷(X十100)=1.5

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(X+500)÷(X十100)=1.5(X+500)÷(X十100)=1.5(X+500)÷(X十100)=1.5(X+500)÷(X十100)=1.5x+500=1.5(x+100)x+500=1.

(X+500)÷(X十100)=1.5
(X+500)÷(X十100)=1.5

(X+500)÷(X十100)=1.5
(X+500)÷(X十100)=1.5
x+500=1.5(x+100)
x+500=1.5x+150
0.5x=350
x=700