Respuesta :

Answer:

  x = 3

Step-by-step explanation:

Given

2(1.5 - x) + 42 = 103 - 4(3x + 7) ← distribute and simplify both sides

3 - 2x + 42 = 103 - 12x - 28

- 2x + 45 = 75 - 12x ( add 12x to both sides )

10x +  45 = 75 ( subtract 45 from both sides )

10x = 30 ( divide both sides by 3 )

x = 3