GMAT Besic Equations

1. $3(x-2)+6=2x$
2. $\frac{1}{3}x-1=\frac{5}{6}+\frac{7}{2}$
3. $\frac{7x-3}{7}=x+2$
4. $0.16x+1.1=0.2x+0.96$