Respuesta :

Answer:

x = 7

Step-by-step explanation:

5+5x + 50 = 90

5x = 35

x=7

Answer:

5+5x=50 x=9

Step-by-step explanation:

5+5x=50

5-5+5x=50-5

5x=45

5x/5=45/5

x=9