The answer is: " 15 + (-7) " .
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Step-by-step explanation:
Here is what to do:
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Given: " 15 – 7 " ; Express this as a "sum" :
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Note: This given expression is:
" 15 minus 7 "
that is: " 15 – (+7) ;
Note that subtracting a "positive" value;
such as in the very expression given;
is the same value we get when:
adding that particular "negative" value;
→ As such: " 15 – 7 " =
" 15 + (-7) " → which is our answer.
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Hope this is helpful to you!
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