10x + 6 = 12x - 18
Subtract 10x from both sides: 6 = 2x - 18
Add 18 to both sides: 24 = 2x
Divide both sides by 2: 12 = x
Therefore, x = 12
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x + 13x + 10x = 50 - 6
6-x+12 = 10x+7 6+12-7 = 10x+x 11 = 11x x = 1
-6x-6 -or- -6(x+1)
6-3x = 5x-10x+2 4 = 8x-10x 4 = -2x x = -2
12x - 6 = 10x +2 12x - 10x = 2 + 6 2x = 8 x = 4