Matematika

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No 11.1/2(4×-5)=1/4×+3 1/2=4
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  • [tex] \frac{1}{2} (4x - 5) = \frac{1}{4} x + 3 \\ 2x - \frac{5}{2} = \frac{1}{4}x + 3 \\ 2x - \frac{1}{4} x = 3 + \frac{5}{2} \\ \frac{8}{4} x - \frac{1}{4} x = \frac{6}{2} - \frac{5}{2} \\ \frac{7}{4} x = \frac{1}{2} \\ x = \frac{1}{2} . \frac{4}{7} = \frac{4}{14} = \frac{2}{7} [/tex]

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