When you have a negative number in an addition or subtraction problem, you can always take the opposite of the number to make it positive. In this case, the opposite of -18 is 18. So when you add 9 and 12 to -18, you get:
So basically, yung negative plus positive is done by subtracting the bigger number from the smaller number and copying the sign of the bigger number. Since mas malaki si positive 12 kay -9, positive 3 ang sagot.
Answers & Comments
Answer:
Step-by-step explanation:
When you have a negative number in an addition or subtraction problem, you can always take the opposite of the number to make it positive. In this case, the opposite of -18 is 18. So when you add 9 and 12 to -18, you get:
(-18) + 9 + 12 = -18 + 21 = 3
Answer:
-18 + 9 = -9
-9 + 12 = 3
So basically, yung negative plus positive is done by subtracting the bigger number from the smaller number and copying the sign of the bigger number. Since mas malaki si positive 12 kay -9, positive 3 ang sagot.