document.write( "Question 359908: please can you help me to solve this equation step by step.
\n" ); document.write( "S=n/2(A+t) for A
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Algebra.Com's Answer #256803 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"S=n%2F2%28A%2Bt%29\". we can just intechange the places of S and A +t:
\n" ); document.write( "\"A+%2B+t+=+n%2F%282S%29\",
\n" ); document.write( "\"A+=+n%2F%282S%29-t\".
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