Posted by ed on Thursday, November 4, 2010 at 2:00pm.
3x+4=5x-7
You want to get the x's on one side and numbers on the other.
First, subtract 3x from both sides.
4=2x-7
Now add 7 to both sides.
11=2x
Divide both sides by 2.
11/2=x
5 1/2=x
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