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According to the rules of the order of arithmetic operations, we solve the exercise from left to right since it only has addition and subtraction operations:
\( 0:7+1= \)
Order of operations requires left-to-right work when you only have addition and subtraction. While grouping might work sometimes, it can lead to sign errors in more complex problems.
Think of it as starting at -7 on a number line and moving 5 steps to the right. You end up at -2. The negative number 'takes away' from the positive number.
Use a number line or think in terms of owing money (negative) and having money (positive). means you owe $7 but have $5, so you still owe $2.
Yes! Add all positive numbers: , then subtract the negative: . But always double-check by working left to right!
Try different approaches: work left-to-right, then try grouping positive/negative numbers. If you get the same answer both ways, you're correct!
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