Positive/Negative Convention (+ and - ) - OpticianWorks

Example:(- 3) + (- 1) = - 4Since both values are negative, the answer will also be negative.On a horizontal number line, if you start at three units to the left of the origin point and move 1 more unit left, you will be at a position of 4 units left of the origin point. Addition of . one positive value . and . one negative … ................
................