9x+6 = 7x+18
9x-7x = 18-6
2x = 12
x = 6
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It is 9x
7x = 18 - 2x 7x + 2x = 18 9x = 18 x = 2
2x + 5x - 1 = 9x 7x - 1 = 9x -1 = 9x - 7x -1 = 2x -1/2=x
- 7x + (9x - 3) = - 7x + 9x - 3 = 2x - 3
9x+18 = 180 9x = 180-18 9x = 162 x = 18