Melody theres nothing between 3 and 14 , the asker is telling that if the value of x is 3 then whats the value of the expression!Nothing else!its just some gap between 3 and 14 and they are not relating to each other!
So wed solve the expression like
out here as we are given the value of x so here im placing 3 in place of x to solve the expression!
14+12*3 ( first we will multiply 3 and 12 and then add the result by 14)
=14+36 (now simply add)
=50 ANSWER
i hope till now uve understood buf if not then pls be free to ask!
hope this helps!
+11912 
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