SOLUTION: slove for x 7y-2x=9

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Question 335288: slove for x
7y-2x=9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
7y-2x=9
Subtract 7y from both sides.
7y-7y-2x=9-7y
0-2x=9-7y
-2x=9-7y
Divide both sides by %28-2%29.
%28-2x%29%2F%28-2%29=9-7y%2F%28-2%29
%28%28-2%29%2F%28-2%29%29x=-9%2F2%2B%287%2F2%29y
%281%29x=%287%2F2%29y-9%2F2
x=%287%2F2%29y-9%2F2