Solve :
Mark $7$ and $- 1$ on number line and hence find the difference between them.

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Solution

Required no. are marked on number line in figure.

Difference between them is $= 7 - (- 1) = 8$

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Solve :Mark 7 and −1 on number line and hence find the difference between them.

Required no. are marked on number line in figure.Difference between them is =7−(−1)=8

Solve :
Mark $7$ and $- 1$ on number line and hence find the difference between them.

Required no. are marked on number line in figure.

Difference between them is $= 7 - (- 1) = 8$