![]() ![]() Step 1: The expression can be written as -7 - (-4).Solution: For subtracting integers on a number line let us follow the steps given below: Let us take an example to understand this better. The third and final step is to add the second integer to the number located in the previous step by taking jumps either to the left or to the right depending on whether the number is positive or negative. ![]() For example, if you need to subtract 4 from 29, it is better if we locate 29 on the line first and then take 4 jumps towards the left, rather than locating -4 and then taking 29 jumps. The next step is to locate any one of the integers on the number line, preferably a number with a greater absolute value. Then, we need to express the given subtraction expression into an addition fact by changing the sign of the subtrahend. However, if we have to subtract -2 from 7, we can take a scale of counting numbers starting from 1. For example, in subtracting 10 from -30 we can take a scale of 10 on the number line to ease our work. For example, if we want to plot numbers in multiples of 1, 5, 10, 50, etc., depending on the given integers. The first step is to choose a scale on the number line. Now, let us learn how to subtract integers on a number line.
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