$$-\frac{-35z}{34}=\frac{7\times5}{17\times2}-\frac{(x)-5xt}{3+1)2xt}; 3(52-7)-2(9z-11)=4(8z-13)-17; 152-21-182-22=322-852-17$$
$z = \frac{62254}{10395} = 5\frac{10279}{10395} \approx 5.988840789$
$$3.5z=\frac{17}{11}\times 3\times 5.2-\frac{34}{81}\times 5\times 1.5$$
$$3.5z=\frac{17\times 3}{11}\times 5.2-\frac{34}{81}\times 5\times 1.5$$
$$3.5z=\frac{51}{11}\times 5.2-\frac{34}{81}\times 5\times 1.5$$
$$3.5z=\frac{51}{11}\times \frac{26}{5}-\frac{34}{81}\times 5\times 1.5$$
$$3.5z=\frac{51\times 26}{11\times 5}-\frac{34}{81}\times 5\times 1.5$$
$$3.5z=\frac{1326}{55}-\frac{34}{81}\times 5\times 1.5$$
$$3.5z=\frac{1326}{55}+\frac{-34\times 5}{81}\times 1.5$$
$$3.5z=\frac{1326}{55}+\frac{-170}{81}\times 1.5$$
$$3.5z=\frac{1326}{55}-\frac{170}{81}\times 1.5$$
$$3.5z=\frac{1326}{55}-\frac{170}{81}\times \frac{3}{2}$$
$$3.5z=\frac{1326}{55}+\frac{-170\times 3}{81\times 2}$$
$$3.5z=\frac{1326}{55}+\frac{-510}{162}$$
$$3.5z=\frac{1326}{55}-\frac{85}{27}$$
$$3.5z=\frac{35802}{1485}-\frac{4675}{1485}$$
$$3.5z=\frac{35802-4675}{1485}$$
$$3.5z=\frac{31127}{1485}$$
$$z=\frac{\frac{31127}{1485}}{3.5}$$
$$z=\frac{31127}{1485\times 3.5}$$
$$z=\frac{31127}{5197.5}$$
$$z=\frac{311270}{51975}$$
$$z=\frac{62254}{10395}$$
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