Respuesta :

When subtracting a negative number, the two signs (-) cancel out. This means the equation could be rewritten as -11+4 which would equal -7. Tom may have forgot to remove the negative and written -11+-4.

He might not have taken the product of (-) *(-) to  + and that is why he got wrong answer.

What is Difference ?

Difference is the output of the mathematical operation Subtraction.

It is given that

the difference -11-(-4) = -15

The difference of -11 - (-4) = -11 +4 = -7

He might not have taken the product of (-) *(-) to  + and that is why he got wrong answer.

To know more about Difference

https://brainly.com/question/2432925

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