exam Maths Puzzle Numerical Ability

please

if f(2x)=4/2+x

compute

f(x)=?

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exam Other Question

how do you solve two step equations? i am in ninth grade, and to tell you the truth, i am not very good at math but i do have a b- for a grade. my name is nikol so if you can help me that would be great!!! thanks How can I Subtract and Express the answer in simplest form.


2/5-y/y-2