You need to learn to do these yourself. Here is a site that covers all aspects of redox equations. If you have specific questions about portions of this you don't understand I can help you through the equations.
http://www.chemteam.info/Redox/Redox.html
Balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.)
Br ‾(aq) + MnO4‾(aq) → Br2(l) + Mn2+(aq)
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