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Question
Use a number line and add the following : (f) (-2) + 8 + (-4).
Use a number line and add the following : (f) (-2) + 8 + (-4).
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Solution
On a number line, move 2 steps left to the integer to reach -2. Now move 8 steps to the right of the integer -2 to reach the integer 6 (we need to add 8 & -2 on number line) and move 4 steps to the left of the integer to reach the integer 2(we need to add the result 6 & -4).
(-2) + 8 + (-4) = 2
On a number line, move 2 steps left to the integer to reach -2. Now move 8 steps to the right of the integer -2 to reach the integer 6 (we need to add 8 & -2 on number line) and move 4 steps to the left of the integer to reach the integer 2(we need to add the result 6 & -4).
(-2) + 8 + (-4) = 2
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