Tìm x biết: a) $\frac{3}{5}x - \frac{1}{2} = \frac{1}{7}$ b) (4,5-2⁢x).117=1114 c) $80\% + \frac{7}{6}:x = \frac{1}{6}$ d) $\frac{3}{4} - \left( {4\frac{1}{2} + 3x} \right) = - 1$

Tìm x biết:

a) $\frac{3}{5}x - \frac{1}{2} = \frac{1}{7}$

b) (4,5-2⁢x).117=1114

c) $80\% + \frac{7}{6}:x = \frac{1}{6}$

d) $\frac{3}{4} - \left( {4\frac{1}{2} + 3x} \right) = - 1$

Tìm x biết: a) 35x−12=17\frac{3}{5}x - \frac{1}{2} = \frac{1}{7} b) (4,5-2⁢x).117=1114 c) 80%+76:x=1680\% + \frac{7}{6}:x = \frac{1}{6} d) 34−(412+3x)=−1\frac{3}{4} - \left( {4\frac{1}{2} + 3x} \right) = - 1