Ответ:
[tex]\frac { 1 } { 2 } y - 7 = 1 - \frac { 1 } { 6 } y \\ [/tex]
[tex]\frac{1}{2}y-7+\frac{1}{6}y=1 \\\frac{2}{3}y-7=1 \\ \frac{2}{3}y=1+7 \\ \frac{2}{3}y=8 \\ y=8\times \left(\frac{3}{2}\right) \\ y=\frac{8\times 3}{2} \\ \\ y=\frac{24}{2} \\ \\ y=12 [/tex]
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Ответ:
[tex]\frac { 1 } { 2 } y - 7 = 1 - \frac { 1 } { 6 } y \\ [/tex]
[tex]\frac{1}{2}y-7+\frac{1}{6}y=1 \\\frac{2}{3}y-7=1 \\ \frac{2}{3}y=1+7 \\ \frac{2}{3}y=8 \\ y=8\times \left(\frac{3}{2}\right) \\ y=\frac{8\times 3}{2} \\ \\ y=\frac{24}{2} \\ \\ y=12 [/tex]