Answer:
a.

b.

Explanation:
You need to solve for the variable "x" in each equation. Then:
a. You need to add 5 to both sides of the equation:

Now you need to divide both sides of the equation by 4, getting:

b. You need to subtract 35 from both sides of the equation:

Add 11 to both sides:

Now you need to divide both sides of the equation by 3, getting:
