Solve the following exercise:
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Solve the following exercise:
According to the order of operations rules, due to the fact that the exercise only involves addition and subtraction, we will solve the problem from left to right:
\( 100+5-100+5 \)
Zero is the additive identity! This means any number plus zero equals that same number. For example: and .
Yes, especially when learning! Writing each step helps you avoid mistakes and shows you understand the order of operations. Even simple problems deserve careful attention.
You likely made an error with fraction operations. Remember: , not . When subtracting identical fractions, the result is always zero.
Since this problem only has addition and subtraction, work from left to right: , then , finally .
Because we're adding and then subtracting the same amount ! The zeros don't change anything, so we end up back where we started: zero.
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