Answer:
1.) x = 7
3.) m = 1 and m = 5
5.)

7.) n = 4 ,

Extra credit)

Explanation:
Question 1
Multiply both sides by 5
simplify: x - 1 = 6
Add 1 to both sides
Question 3
Multiply by the Least common multiple (5 = 6m - m^2)
solve 5 = 6m - m^2!
Question 5
Cross multiply
move x to the left side
Divide both sides by 7
Simplify
Question 7
Cross Multiply
Solve
Extra Credit
Multiply by Least Common Denominator
move 2 to the right and t to the left side.
Divide both sides by 18
Simplify