X - 0.1x = 54
Is x = 60 a solution

yes

Step-by-step explanation:

60 - 0.1(60) = 54

60 - 6 = 54

54 = 54

Yes sir/ma’am lolz

S(x) is a function. a function is a special relationship where, a single input gives a single output. an x values only gives 1 y value. usually, this form is f(x) but can be represented with any other letter, still holding the same meaning. hope i : )