Q: What is 13 add something equals 30?

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-43

If you mean adding in groups, I suppose you could break 34 into 30 and 4. Then you could add 9 to 4 to get 12, and then perhaps more easily add 13 and 30 to get 43.

It is: 13+17 = 30

30 - 3 = 40 - 13

Add them together which equals 59

Related questions

-17

-43

If you mean adding in groups, I suppose you could break 34 into 30 and 4. Then you could add 9 to 4 to get 12, and then perhaps more easily add 13 and 30 to get 43.

How about: 23+7 = 30 or 17+13 = 30

2x-17=13 2x=30 x=15

1x30

Add them together which equals 59

30 - 3 = 40 - 13

It is: 13+17 = 30

x=30...9+30=39 then divide by 3 equals 13.

4.5

No, it is -5/13