7x-1< 26 - 2x
7x + 2x -1 < 26 -2x +2x Add 2x to both sides so that you can get the x terms one side
9x -1 +1 < 26 - 1 Subtract 1 from both sides so that you can have the x terms by themselves
9x / 9 < 26 /9 Divide 9x by 9 to get x by itself.
x < 26/9