7%x-1/2=3

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7%x-1/2=37%x-1/2=37%x-1/2=37%x-1/2=37%X=3+1/20.07X=3.5X=5050

7%x-1/2=3
7%x-1/2=3

7%x-1/2=3
7%x-1/2=3
7%X=3+1/2
0.07X=3.5
X=50