Solve each equality and express your answer in the form variable$=$___

1. Solving $\frac{-11}{6} + a = \frac{13}{4}$ gives solution

2. Solving $c + \frac{38}{-5} = \frac{35}{5}$ gives solution

3. Solving $\frac{17}{6} + b = \frac{-14}{4}$ gives solution

4. Solving $d + \frac{-17}{-5} = \frac{-18}{-4}$ gives solution

Hint: