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winner123

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7x -9 +2x -9x +22x = 3 -x +4x -9 +18x

31x -9x -9 = 22x -x -6

31x -9x -22x +x = -6 +9

32x - 31x = 3

x = 3

7x-9+2x-9x+22x=3-x+4x-9+18x

22x -9 = 21x - 6

22x-21x = -6+9

x=3

 

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