Question

What should be subtracted from a+3b-8c to get 7a- 5b+c ?

Answer 1

the answer is -6a+8b-9c
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Answer 2

Answer:

( -6a + 8b - 9c )

Step-by-step explanation:

Let us assume the number to be x

According to the question,

⇒ a + 3b - 8c - ( x ) = 7a - 5b + c

⇒ a + 3b - 8c - x = 7a - 5b + c

Taking all the x terms to the RHS and all the a,b,c terms to the LHS we get,

⇒ a + 3b - 8c - 7a + 5b - c = x

⇒ -6a + 8b - 9c = x

Hence the number ( -6a + 8b - 9c ) must be subtracted.

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