Which number line best shows how to solve −8 − (−6)?

a number line from negative 10 to 10 is shown with numbers labeled at intervals of 2. an arrow is shown from point 0 to negative 8. another arrow points from negative 8 to negative 6.
a number line from negative 10 to 10 is shown with numbers labeled at intervals of 2. an arrow is shown from point 0 to negative 6. another arrow points from negative 6 to negative 8.
a number line from negative 10 to 10 is shown with numbers labeled at intervals of 2. an arrow is shown from point 0 to negative 6. another arrow points from negative 6 to 2.
a number line from negative 10 to 10 is shown with numbers labeled at intervals of 2. an arrow is shown from point 0 to negative 8. another arrow points from negative 8 to negative 2.