Respuesta :

Step-by-step explanation:

2×2.5x+2×8=11

5x+16=11

5x=11-16

5x=-5

x=-1

Answer:

x = -1

Step-by-step explanation:

2(2.5x + 8) = 11

Divide both sides by

2.5x + 8 = 5.5

Subtract 8 from both sides

2.5x = -2.5

Divide both sides by 2.5

x = -1