Which of the following simplifies to -9?
Responses
−9−1
negative 9 minus 1
−4+13
negative 4 plus 13
−17 + 8
−17 + 8
− 2 + 7
− 2 + 7
−9-1, −4+13, and −17 + 8 do not simplify to -9. However, −2 + 7 simplifies to -9.
To find which expression simplifies to -9, we can evaluate each expression.
1. -9 - 1
To simplify this expression, subtract 1 from -9:
-9 - 1 = -10
2. -4 + 13
To simplify this expression, add -4 and 13:
-4 + 13 = 9
3. -17 + 8
To simplify this expression, add -17 and 8:
-17 + 8 = -9
4. -2 + 7
To simplify this expression, add -2 and 7:
-2 + 7 = 5
Therefore, the expression that simplifies to -9 is -17 + 8.
To determine which of the following expressions simplifies to -9, we need to evaluate each expression and check if the result is -9.
1. −9−1 (negative 9 minus 1)
To simplify this expression, we subtract 1 from -9: -9 - 1 = -10. Therefore, this expression does not simplify to -9.
2. −4 + 13 (negative 4 plus 13)
To simplify this expression, we add -4 and 13: -4 + 13 = 9. Therefore, this expression does not simplify to -9.
3. −17 + 8 (negative 17 plus 8)
To simplify this expression, we add -17 and 8: -17 + 8 = -9. Therefore, this expression simplifies to -9.
4. −2 + 7 (negative 2 plus 7)
To simplify this expression, we add -2 and 7: -2 + 7 = 5. Therefore, this expression does not simplify to -9.
After evaluating each expression, we can see that only the expression -17 + 8 simplifies to -9.