If the sum of (5x-7y+8z), (4x+9y) and P is (x+y+z), then the value of P is
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Answer:
P = -8x-y-7z
Step-by-step explanation:
Here,
(5x-7y+8z)+(4x+9y)+P = x+y+z
5x-7y+8z+4x+9y+P = x+y+z
9x+2y+8z+P = x+y+z
8x+y+7z+P = 0
P = -8x-y-7z
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