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X = (n1 × x) + (n2 × x)
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n
_
6,0 = (40 × 5,6 ) + (5 × x)
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40 + 5
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6,0 = (40 × 5,6 ) + (5 × x)
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45
270 = 224 + 5x
46 = 5x
46/5 = x
9,2 = x