Ответ:
[tex]-\frac{9}{14} x+18=-\frac{2}{3} x+17\\-\frac{9}{14} +\frac{2}{3} x=17-18=-1\\-\frac{27}{42}+\frac{2}{42} x=-1\\\frac{-27+2x}{42} =-1\\-27+2x=-1*42=-42\\2x=-42+27=-15\\x=-\frac{15}{2} =-7,5\\x=-7,5[/tex]
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Ответ:
[tex]-\frac{9}{14} x+18=-\frac{2}{3} x+17\\-\frac{9}{14} +\frac{2}{3} x=17-18=-1\\-\frac{27}{42}+\frac{2}{42} x=-1\\\frac{-27+2x}{42} =-1\\-27+2x=-1*42=-42\\2x=-42+27=-15\\x=-\frac{15}{2} =-7,5\\x=-7,5[/tex]
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Verified answer
-9/14 * х + 18 = -2/3 * х + 17;-9/14 * х + 2/3 * х = 17 - 18;
(2/3 - 9/14) * х = -1;
(28 - 27)/42 * х = -1;
1/42 * х = -1;
х = -1 * 42;
х = -42.