Question

what should be taken away from 30ab+12b+14a to get 12ab -14c+15b​

Answer 1

Answer:

30ab-12ab+12b+14c+14a-15b=answer

18ab+14a-3+14 is the answer

Answer 2

18ab + 14a + 14c - 3b must be taken away from 30ab + 12b + 14a to get 12ab -14c + 15b

Solution:

Given that,

what should be taken away from 30ab + 12b + 14a to get 12ab -14c + 15b

Let "x" be that should be taken away

Then,

$30ab + 12b + 14a - x = 12ab - 14c + 15b\\\\x = 30ab + 12b + 14a - ( 12ab - 14c + 15b )\\\\x = 30ab + 12b + 14a -12ab + 14c - 15b\\\\x = 18ab +14a +14c - 3b$

Thus, 18ab + 14a + 14c - 3b must be taken away from 30ab + 12b + 14a to get 12ab -14c + 15b

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