Question

What must be subtracted from (–10 )to obtain (– 17)

Answer 1

Answer:

7

Step-by-step explanation:

$- 10 - 7 = - 17$

Answer 2

The number that must be subtracted from (–10 )to obtain (– 17) = 7

QUESTION:-

What must be subtracted from (–10 )to obtain (– 17)

GIVEN:-

–10 and – 17

TO FIND:-

The number that must be subtracted from (–10 )to obtain (– 17)

SOLUTION:-

• When a negative number is subtracted to a positive number, the equation is subtracted and the number obtained is negative.
• When a negative number is subtracted to a negative number, the equation is added and the number obtained is negative.

According to sum,

• Let the number that must be subtracted from (–10 )to obtain (– 17) be x

$- 10 - (x) = - 17 \\ - 10 - x = - 17$

When a number moves from one side to another, their sign changes

$- 10 + 17 = x \\ x = - 10 + 17 \\ x = 7$

Hence, The number that must be subtracted from (–10 )to obtain (– 17) = 7

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