Respuesta :

Answer:

7/2

Step-by-step explanation:

2x=12-5....collectible like terms

2x=7

x=7/2...dividing both side by 2

Answer:

soln

we know that,

2x + 5 = 12

or, 2x = 12 - 5

or, 2x = 7

or, x = 7/2

x=7/2