44.67
You need to add 6 - (-9) = 6 + 9 = 15.
Add -3 to 9 because 9+(-3) = 6 Alternatively add s to the Roman numeral of ix which is 9 which then becomes six.
18
add 9 add 1 subtract 20 add 9 add 1
They add up to 9
You will add -3 to 9 to make it 6.
you need to add +9 +9-7 = +2
18
They also add up to a multiple of 9.
288. All multiples of 9 will have digits that add to a multiple of 9. To get a multiple of 9 to be all even, you need to get them to add to 18, since no set of even numbers will add up to 9. 288 is the lowest multiple of 9 to be able to add to 18. ■
Two numbers that add up to -9 are -4 and -5. When you combine them, -4 + (-5) equals -9. Alternatively, -3 and -6 also add up to -9.
86.