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Mathematics, 23.01.2021 08:30 robert7248

Given a-2b=8, 4a+3b= 21; prove b= -1

please give a step by step answer

Given a-2b=8, 4a+3b= 21; prove b= -1
please give a step by step answer

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Given a-2b=8, 4a+3b= 21; prove b= -1

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