Respuesta :

Answer:

x = 12.5

Step-by-step explanation:

3(2x + 5) = 90 ( divide both sides by 3 )

2x + 5 = 30 ( subtract 5 from both sides )

2x = 25 ( divide both sides by 2 )

x = 12.5

6xAnswer:

6x + 15 =90

6x = 90 - 15

6x= 75

x=12.5