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9x + 3x - 9x = 6 + 8x - 113x = 8x - 11-5x = -11x = 2.2 or 11/5
2x+5=11 2x=6 x=3
6 + x - 10x = 11 - 4x 6 - 9x = 11 - 4x add 9x to both sides: 6 = 11 + 5x subtract 11 from both sides: -5 = 5x divide both sides by 5: -1 = x
Assuming that all the terms are positive it is: 11+11x or 11x+11
9x-5 = 13 Add 5 to both sides: 9x = 18 Divide both sides by 9: x = 2