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(2*x)/2.5 = 7.4/9.25 // - 7.4/9.25
(2*x)/2.5-(7.4/9.25) = 0
(2*x)/2.5-0.8 = 0
0.8*x-0.8 = 0 // + 0.8
0.8*x = 0.8 // : 0.8
x = 0.8/0.8
x = 1
x = 1
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