Finding magnitude of electrostatic force

[geryuu11]

Homework Statement

Im having trouble posting the image sorry.
But there's three charges.
q1=30uC
q2=?
q3=60uC
q1 to q2 distance equals 30cm
q2 to q3 distance equals 60cm
q1 is left of q2 and q3 is to the right of q2.

Homework Equations

F=k*qq/r^2

The Attempt at a Solution

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Given where q2 is, wouldn't both of the forces that q1 and q3 exerted on q2, be the same?
So I tried setting their forces equal F(subq12)=F(subq32) and I couldn't figure out what to solve for. I've tried to look it up in my book,but this just makes it more confusing. Any help or links would be great thanks.

 

[gneill]

Hi geryuu11, Welcome to Physics Forums.

Can you provide a question in the Problem Statement section? As it stands there's no information about what it is you're expected to do with the information given. If this is a homework question, please provide the text of the question.