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2*(7/2)*x = 49/2 // - 49/2
2*(7/2)*x-(49/2) = 0
2*(7/2)*x-49/2 = 0
7*x-49/2 = 0 // + 49/2
7*x = 49/2 // : 7
x = 49/2/7
x = 7/2
x = 7/2
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