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25-09-2014
Mathematics

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1.94x - 10/8x + 4.32 = [2(1.15x+8.5)]

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25-09-2014

[tex]1,94x-\frac{10}{8}x+4,32=[2(1,15x+8,5)]\\\\ 1,94x-1,25x+4,32=2,3x+17\\\\ 0,69x+4,32=2,3x+17\ \ \ |Subtract\ 2,3x\\\\ -1,61x+4,32=17\ \ \ |Subtract\ 4,32\\\\ -1,61x=12,68\ \ \ |Divide\ by\ -1,61\\\\\boxed{x\approx7,9} [/tex]

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