From the sum of 3x - 2y + 4z and 7y - 22,
subtract x - 3y - Z. please answer as pic please
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(3x - 2y + 4z)+(7y - 22)
=3 x -5 y + 4 z - 22
=(3 x -5 y + 4 z - 22)-x - 3y - Z
=2x-8y+3z-22
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