7%x-1/2=3

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7%x-1/2=3
x)3W575I*G"l|0@3"lM l &ـ9(R!

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

50