Find the solution of the following addition using number line: (b) (-6) +2 .
First we move 6 steps left to the integer 0 to reach the integer (-6). Now from this point move 2 steps to the right of the integer -6 (as we need to add 2 to -6) on the number line.
Thus (-6) + 2 = -6 + 2 = -4