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Q: Can you add or subtract a number with a variable and a number without one?

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-5+-3 = -8 ++ Add -- Add +- Subtract -+ Subtract

If the number has a + sign then you add it, if it has a - sign, then you subtract it.

The inverse operation for subtract 5 is add 5. This is because whatever number you start with, if you first "subtract 5" and then "add 5" or if you first "add 5" and then "subtract 5" you are back to the number you started with.

You can add them.

Yes.

Related questions

Subtract and add the sign of the greater number.

You have to add the additive inverse. To subtract q, you add -q.

-5+-3 = -8 ++ Add -- Add +- Subtract -+ Subtract

Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.

subtract the small number from big number (without signs) and then add the sign of the larger number to the difference

If the number has a + sign then you add it, if it has a - sign, then you subtract it.

The inverse operation for subtract 5 is add 5. This is because whatever number you start with, if you first "subtract 5" and then "add 5" or if you first "add 5" and then "subtract 5" you are back to the number you started with.

Number. You need a number.

When it says how much more you would subtract the little number from the big number. Hope Im Helpful

You can add them.

Yes.

If you want to use a number line to add and subtract, it can be done with a slide rule. But it is much easier to use an electronic calculator.