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294.3-(x/30) = x-(98.1/20) // - x-(98.1/20)
98.1/20-(x/30)-x+294.3 = 0
299.205-31/30*x = 0 // - 299.205
-31/30*x = -299.205 // : -31/30
x = -299.205/(-31/30)
x = 289.55322674
x = 289.55322674
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