Answer:
1.

2.

3.

4.

Explanation:
1. For the equation
, subtract 13.5 from both sides of the equation:

And divide both sides by 5:

2. For the equation
, subtract 16 from both sides of the equation:

And divide both sides by -14:

3. For the equation
, add 18 to both sides of the equation:

And divide both sides by -32:

4. For the equation
subtract 4 from both sides of the equation:

And multiply both sides by 5:
