SOLUTION: what is the first step in solving the equation x + 78 = 135

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Question 426458: what is the first step in solving the equation x + 78 = 135
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+x+%2B+78+=+135+
You always want to get the unknown by itself, so
subtract 78 from both sides.
( anything you do to one side, you must do to the other)
+x+%2B+78+-+78+=+135+-+78+
+x+=+57+ answer