Simplify:

12 + (-38) + 27

12 + (-38) + 27 = 1

Step-by-step explanation:

When a positive is multiplied by a negative, the sign becomes negative. Therefore, 12 + (-38) becomes 12-38. So 12-38+27 = 1.

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Step-by-step explanation:

For this problem, the negative sign on the 38 stays. You can remove the parentheses and addition sign and subtract 38 from 12.

12 + (-38) + 27

12 - 38 + 27

-26 + 27

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If the problem was (12 - (-38), than the negatives would cancel out and form (12 + 38).