Step 1. Ignore the signs, and subtract the smaller unsigned number from the larger one. If the answer is 0, you're done. Otherwise, do step 2.
Step 2. Apply to the answer the sign of the given number with the larger magnitude.
For example, 5 + (-2) is 3; 12 + (-23) is -11.
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Step 1. Ignore the signs. Add them as unsigned numbers. Step 2. Apply to the result the sign of the given integers Examples. 2 + 3 is 5; -9 + (-23) is -32.
Adding two numbers with different signs means subtracting the two absolute integers (without sign) and vice versa.
for algebra, + times + equals -, - times - equals +, add finally two different signs equal -. hope i helped!! :)
Two integerss add to zero when their absolute values are equal and they have opposite signs.
Then you are adding two rational numbers with different signs! No big deal!