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6.5/33.2 = x/51.5 // - x/51.5
6.5/33.2-(x/51.5) = 0
6.5/33.2-0.01941748*x = 0
0.19578313-0.01941748*x = 0 // - 0.19578313
-0.01941748*x = -0.19578313 // : -0.01941748
x = -0.19578313/(-0.01941748)
x = 10.08282898
x = 10.08282898
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