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Earn +20 ptsQ: What do you need to add to -8 to get -7?
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What do you need to add to -8 to get 7?
15
What do you need to add to -7 to get 1?
8
Add the sum of 7 and 8 to the product of 7 and 8?
(7*8)+(7+8) = 56+15 = 71
How do you add seven plus seven eights?
7+ 7/8=7 and 7/8 or 63/8 Get common denomenators by multiplying 7/1 by 8 to get 56/8. Add 56 and 7 to get 63/8... or 7 and 7/8.
Can you find area by adding?
You can, if you have a square with side 5 you can multiply 5*5=25 or you can add 5+5+5+5+5=25 If you want to do this just take one of the numbers and add it to itself the other numbers times. so if you have 7*8 you add 7 to itself 8 times, so add 8 7's 7+7+7+7+7+7+7+7=56 or add 7 8's 8+8+8+8+8+8+8=56 Multiplying is much easier.
What do you need to add to -6 to get 1?
You need to add 7 (or +7)
What would you add to 8 to get the sum 7?
you would add -7.
Add sum of 7 and 8 to the product of 7 and 8?
76
What do you need add to -7 to get 2?
you need to add +9 +9-7 = +2
What do you need to add to -8 to get 10?
You need to add 18 to negative 8 to get 10.
What is 6 add 8 add 7?
21
What do you need to add to -8 to get 2?
you need to add 10
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