4 + 6 = -2
-6 + 4 = -2
-4 - (-6) = 2
-6 + -4 = -10
This shows how Emily paired her counters to solve an integer problem.
Which expression was Emily trying to solve?
Which equation is modeled by the numberline below?
-7 + 3 = 3
-7 + 10 = 3
3 + (-7) = 0
0 + (-7) = 3