8x - 9 = 9x - 5
8x - 8x - 9 = 9x - 8x - 5
-9 = x - 5
-9 + 5 = x - 5 + 5
-4 = x
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9x - 9 = 36 9x = 45 x = 5
8x + 9x = x(8 + 9) = x(17) = 17x
Integral : 9x + 8 = 9(x squared)/2 + 8x Differential : 9x +8 = 9
2x2 - 9x = 18 2x2 - 9x -18 = 0 (2x - 18)(x + 9) x= -9 and 9
-8x+7 = -7x-2 -8x = -7x-2-7 -8x=-7x-9 -8x+7x=-9 -1x=-9 x=-9/-1 x=9