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2013-11-25T20:52:32-02:00

0,05x + 2,4x = 2,45x

2,45x = 2450 

X =  \frac{2450}{2,45}

x =  1000
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2013-11-25T20:52:37-02:00
0,05x+2,4x=2450
2,45x=2450
X=2450/2,45
X=1000
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