Math, asked by ahmadfarhad8752, 1 year ago

A-4B+2C=16, 2A+7B-5C=23,find A+B-c=

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Answered by tannarevathi

3

A-4B+2C=16

2A+7B-5C=23

=3A+3B-3C=39 [3common]

A+B+C=13

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