What’s the Error? Ramu evaluated the expression -7 - (-3) and came up with the answer -10. What did Ramu do wrong

Solution:

To answer the given question let us examine the problem deeply using the properties of integers

7 - (-3) = -7 + 3 = -4 But, -7 - 3 = -10. 

So, Ramu has done addition in place of subtraction.

✦ Try This: Fill in the blank: a. -7 + (-13) = ____. b. 17 × __ = -323

Now to fill the given blank we can apply integer rules and the rule of multiplication.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 1

NCERT Exemplar Class 7 Maths Chapter 1 Exercise Problem 120

What’s the Error? Ramu evaluated the expression -7 - (-3) and came up with the answer -10. What did Ramu do wrong

Summary:

After applying the integer rules we examined that Ramu had done addition in place of subtraction

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