Respuesta :

Answer:

3

Step-by-step explanation:

5x=18-x

6x=18

x=3

after dividing by six, x is equal to three

X = 3

Since u need it ASAP I won’t have time to explain it, but just plug in X with 3 and you should end up with 15=15 which is correct.

Hope this helps :)
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