Pls help will give brainlest. Solve each equation.
Two step equations - integers

Q1. Solve 1 - 7b = -20

Q2. Solve -k - 5 = 0

Q3. Solve -1 + 8a = -129

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte