Identify Signs: Identify the signs of the numbers involved in the subtraction. Both -3 and -6 are negative numbers.Determine Operation: Determine the operation to perform when subtracting two negative numbers. When subtracting a negative from a negative, it is equivalent to adding the absolute values of those numbers.Convert to Addition: Convert the subtraction of negative numbers to addition of their absolute values. Subtracting -6 from -3 is the same as adding the absolute values of 3 and 6.Add Absolute Values: Add the absolute values of the numbers. Add 3 and 6 to get 9.Determine Sign: Determine the sign of the final answer. Since we are effectively adding two negative numbers, the result will also be negative.Combine for Final Answer: Combine the result from Step 4 with the sign from Step 5 to get the final answer. The final answer is -9.

Grade 7

Add integers

Full solution

Q. Subtract.

\newline

-3-6=

Identify Signs: Identify the signs of the numbers involved in the subtraction. $\newline$ Both $-3$ and $-6$ are negative numbers.
Determine Operation: Determine the operation to perform when subtracting two negative numbers. $\newline$ When subtracting a negative from a negative, it is equivalent to adding the absolute values of those numbers.
Convert to Addition: Convert the subtraction of negative numbers to addition of their absolute values. $\newline$ Subtracting $-6$ from $-3$ is the same as adding the absolute values of $3$ and $6$ .
Add Absolute Values: Add the absolute values of the numbers. $\newline$ Add $3$ and $6$ to get $9$ .
Determine Sign: Determine the sign of the final answer. $\newline$ Since we are effectively adding two negative numbers, the result will also be negative.
Combine for Final Answer: Combine the result from Step $4$ with the sign from Step $5$ to get the final answer. $\newline$ The final answer is $-9$ .