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Which point is not on the plane with equation 2x 3y 5z 7?
The origin (0,0,0) is not on the plane.
What is 4z plus 2 plus 5z-3?
4z + 2 + 5z - 3 = 9z - 1
Combine 8x plus 5z minus 4x plus 3z plus 6?
8x + 5z - 4x + 3z + 6 = 8x - 4x + 5z + 3z - 6 = 4x + 8z - 6
2x - 2y plus 5z - 2x - y plus 3z simplify?
well, this is pretty easy, just look at it logically:2x - 2y + 5z - 2x - y + 3zwhen you are trying to simplify a formula, your best practice would be to always begin with "organizing" the numbers, in this case it would become:2x - 2x -2y - y + 5z +3zwhen you organize it, it becomes clear what you need to do; first you get rid of the "opposing" values which cancel each other out, in this case the 2x:2x - 2x -2y - y + 5z +3z = -2y - y + 5z + 3zWhen two numbers have the exact same values but one is positive and the other is negative, their result is always zero, so you can simply erase them. In the opposite, when both of them are positive or both of them are negative, then they add up to each other:-2y - y + 5z +3z = -3y + 8z OR 8z - 3yFor this one, I don't think it can be simplified further, 8z - 3y is its' simplest form.
8z - 7 equals 3z - 7 plus 5z?
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