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