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Type the integer that makes the following addition sentence true:

+ –9 = –13

1 answer

To find the integer that makes the equation \( x - 9 = -13 \) true, we can solve for \( x \) as follows:

  1. Start with the equation: \[ x - 9 = -13 \]

  2. Add 9 to both sides to isolate \( x \): \[ x = -13 + 9 \]

  3. Calculate the right side: \[ x = -4 \]

Thus, the integer that makes the addition sentence true is \(-4\).