Math, asked by ani162, 1 year ago

solve this question
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Answered by Sulekha1

i hope it will help u

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Answered by Arpita4656

3 .
$2b + c - 4a - (6a + 8b - 5c) \\ 2b + c - 4a - 6a - 8b + 5c \\ = - 6b + 6c - 10a \\ \\ 5. \: \: \: 2x + 5 = 21 \\ 21 - 5 = 16 \\ 2x = 16 \\ x = 8$

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