Решите уранение дробями!!!! дам 46 балов. Created by Avolor. matematika-ru

Решите уранение дробями!!!! дам 46 балов...

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$\frac{3x + 2}{4} + \frac{2x - 5}{3} = - 1 \\ 3(3x + 2) + 4(2x - 5) = - 12 \\ 9x + 6 + 8x - 20 = - 12 \\ 17x - 14 = - 12 \\ 17x = - 12 + 14 \\ 17x = 2 \\ x = \frac{2}{17}$

2 votes Thanks 11

Sk1er

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$\frac{3x+2}{4} + \frac{2x-5}{3} = -1\\3(3x+2)+4(2x-5)=-12\\9x+6+8x-20=-12\\9x+6+8x-20=-12\\17x-14=-12\\17x=-12+14\\17x=2\\x=\frac{2}{17}$

3 votes Thanks 3

Avolor я просил дробями

Avolor а вы тут решаете примерами

Avolor а дробями никак???

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