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Write an equation to represent the sum modeled in the following number line. H H H -4 -3 -2 -1 0 1 2 3 4

Sagot :

The number line shows numbers graded into three parts each such that each point between numbers represent 0.33 units.

This means the red line moving towards the left is a negative because it falls to the left of point 0, where the division between positive and negative numbers take place.

Hence the red line indicates -3.33

The blue line is movin towards the right which means its a positive value. Note that it begins from -3.33 and ends at -1.33. Hence the blue line is a positive value and it covers two units.

The equation that models this number line can be written out as

[tex]x=-3.33+2[/tex]

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