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7/8-4*x = (-1/3)*x-(203/120) // - (-1/3)*x-(203/120)
7/8-4*x-((-1/3)*x)+203/120 = 0
(1/3)*x-4*x+7/8+203/120 = 0
77/30-11/3*x = 0 // - 77/30
-11/3*x = -77/30 // : -11/3
x = -77/30/(-11/3)
x = 7/10
x = 7/10
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