Answer:
x > 7
Explanation:
Given
- 3(3x + 3) + 3x < - 51 ← distribute and simplify left side
- 9x - 9 + 3x < - 51
- 6x - 9 < - 51 ( add 9 to both sides )
- 6x < - 42
Divide both sides by - 6, reversing the symbol as a result of dividing by a negative quantity.
x > 7