Identify Signs: Identify the signs of the two numbers to determine if they are negative or positive. Both -2 and -7 are negative numbers.Add Absolute Values: Since both numbers are negative, we add their absolute values together. Add the absolute values: 2 + 7.Calculate Sum: Calculate the sum of the absolute values. 2 + 7 = 9.Determine Sign: Determine the sign of the final answer. Since both original numbers were negative, the sum will also be negative.Combine for Final Answer: Combine the sum of the absolute values with the negative sign to get the final answer. -2 + (-7) = -9.

Grade 7

Add integers

Full solution

Q. Add.

\newline

-2+(-7)=

Identify Signs: Identify the signs of the two numbers to determine if they are negative or positive. $\newline$ Both $-2$ and $-7$ are negative numbers.
Add Absolute Values: Since both numbers are negative, we add their absolute values together. $\newline$ Add the absolute values: $2 + 7$ .
Calculate Sum: Calculate the sum of the absolute values. $2 + 7 = 9$ .
Determine Sign: Determine the sign of the final answer. $\newline$ Since both original numbers were negative, the sum will also be negative.
Combine for Final Answer: Combine the sum of the absolute values with the negative sign to get the final answer. $-2 + (-7) = -9$ .