Respuesta :

Answer:

x = 7.5

Step-by-step explanation:

Given

3(x + 4.5) = 36 ( divide both sides by 3 )

x + 4.5 = 12 ( subtract 4.5 from both sides )

x = 7.5

Answer: 7.5

Step-by-step explanation:

3x+13.5=36

3×=36-13.5

3×=22.5

×=7.5