Respuesta :

Answer:

x + 12 = 15

Step-by-step explanation:

'' x increased by 12 ''

that means you are adding 12 to a value therefore , x+12

''is equal to 15''

just set it up now

x+12=15

Answer:

see explanation

Step-by-step explanation:

An increase of 12 to the value x means add the two values, that is

x + 12 = 15 ← is the equation