Q. Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.−1−20Answer:
Understand Subtraction Expression: Understand the subtraction expression.The expression −1−20 involves subtracting 20 from −1. To rewrite this using addition, we need to add the additive inverse of 20 to −1.
Find Additive Inverse: Find the additive inverse of 20. The additive inverse of a number is what you add to that number to get zero. The additive inverse of 20 is −20.
Rewrite as Addition: Rewrite the subtraction as addition.Now we can rewrite −1−20 as −1+(−20). This is the equivalent expression using addition.
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