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Compute: −15 + (−7) (type a number, including the sign if negative)

Class 6IntegersIntegers
  • A−8
  • B−22
  • C22
  • D8

Step-by-Step Solution

Same sign (both negative): add absolute values and keep the negative sign. |−15| + |−7| = 22, so the result is −22.
Answer: B) −22

Key idea: Adding integers — same sign

When two integers have the **same sign**, add their absolute values and keep the sign. So 4 + 3 = 7 (both positive → result positive), and (−4) + (−3) = −7 (both negative → result negative). On the number line: same sign means you keep moving in the same direction.

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