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CBSE Class 8 Answered

from the sum of 10a+18b+6c and 15a-11b+24c, subtract the sum of 13 a+15b-17c and12a+8b-13c
Asked by pp3731477 | 14 Jul, 2022, 03:16: PM
Expert Answer
(10a + 18b + 6c) + (15a - 11b + 24c) = 25a + 7b + 30c
(13a + 15b - 17c) + (12a + 8b - 13c) = 25a + 23b - 30c
Now,
[(10a + 18b + 6c) + (15a - 11b + 24c)] - [(13a + 15b - 17c) + (12a + 8b - 13c)]
= 25a + 7b + 30c - (25a + 23b - 30c)
= 0a - 16b + 0c
= -16b
Answered by Renu Varma | 14 Jul, 2022, 06:55: PM
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