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Sidrah
Answers (1)
Cu=2+ O=2- Put x for N Then , 2(ie cu)+2×((x+3×-2))=0 (3 times O is there so 3×-2 , also both N and and O are there two times..so multiply them with two) 2+2x-12=0 2x=10 X=+5 Hope you understood🙂
