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If you mean, what does x equal for: 9 + 6x = 2x
...then the answer is: 9 = 2x - 6x = -4x
...which is equal to: x = -9/4
If you mean, what does x equal for: 9 + 6x + 2x = 0
...then the answer is: 8x = -9
...which is equal to: x = -9/8
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6x + 3y + 6y - 2x = (6x - 2x) + (3y + 6y) = 4x + 9y
0.2x + 6x - 1 = -9 6.2x = -8 x = -1.2903225806451612903225806451613
8x^3 - 12x^2 + 6x - 9 = (8x^3 - 12x^2) + (6x - 9) = 4x^2(2x - 3) + 3(2x - 3) = (4x^2 + 3)(2x - 3)
6x+3y = -9 3y = -6x-9 y = -2x-3 Therefore the perpendicular slope is 1/2
Put in function, Y = mX + C, form. 6X + 3Y = - 9 3Y = - 6X - 9 Y = - 2X - 3 -------------------- m(slope) = - 2 ----------------------