Respuesta :

Answer:

a) x = 4

b) x = 35/2

Step-by-step explanation:

a)  (5x)/2 + 1 = 11

Subtract 1 from both sides:  (5x)/2 = 10

Multiply both sides by 2:     5x = 20

Divide both sides by 5:   x = 4

b) (2x)/7 - 3 = 2

Add 3 to both sides:  (2x)/7 = 5

Multiply both sides by 7:  2x = 35

Divide both sides by 2:  x = 35/2 = 17.5