teerahuynh25
teerahuynh25
23-10-2022
Chemistry
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tìm hóa trị của H3PO4
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find the value of a and b for which the system of equations has infinitely many solutions : 2x + 3y = 7 ; (a-b)x + (a+b)y = 3a + b - 2
please tell me the method and answer of 2nd question
Please Help the question is below!!!
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