Solve for X: 6 + 3x ≥ 51?

Question

Would you please explain to me how you got the answer?

Answer 1

6+3X >= 51

Apply subtraction property, subtract 6 from each side.

3X >= 51-6

3X >= 45

Apply division property, divide each side by 3

X >= 45/3

X >= 15

Solution x >= 15