Answer:
x = 5
Step-by-step explanation:
Given
2(x + 7) - 3(2x + 4) = - 18 ← distribute both parenthesis
2x + 14 - 6x - 12 = - 18, that is
- 4x + 2 = - 18 ( subtract 2 from both sides )
- 4x = - 20 ( divide both sides by - 4 )