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To find out which number is missing, we solve the entire exercise to know which number we will have to add to obtain a result of 29:
To make 14 equal to 29, we will have to add 15.
Let's verify:
\( 8 - 2 + 6 = \)
Calculating known terms first simplifies the problem! Instead of juggling 4 different numbers, you only need to work with 2: what you have (14) and what you need (29).
Double-check your arithmetic! Make sure you followed order of operations correctly. Remember: addition and subtraction work left to right when there are no parentheses.
Yes! You could also think of it as becoming . Both methods give the same answer: 15.
Think about what makes the equation balanced. If you have 14 and need 29, you must add something. So subtract: 29 - 14 = 15.
That's possible! If your known terms add up to more than the target, the missing number would be negative. The same process works: find the difference.
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