Algebra - Solve for 'x' in the equation

Question

Solve foe X in the equation.

3x - 5 = 16

Step 1:

Add 5 to both sides of the equation:

3x -5 + 5 = 16 + 5

3x =21

Step 2:

Divide both sides by 3

3x/3 = 21/3

x = 7

Answer 1

If you are insure of your answer, check the final answer back into the original; problem.

3x-5=16

3(7)-5=16

21-5=16

16=16, and it checks out.

Answer 2

x equals to seven

x = 7