Question

1) -10 + 3 +(-4) 2) -3+3+3+(-9,5) 3) -5 +8 + (-5) 4)-9 + 7 + (-7)

Answer 1

1) -10 + 3 + (-4) = -10 + 3 - 4 = -7 - 4 = -11

2) -3 + 3 + 3 + (-9.5) = -3 + 3 + 3 - 9.5 = -6.5

3) - 5 + 8 + (-5) = -5 + 8 - 5 = -2

4) -9 + 7 + (-7) = -9 + 7 - 7 = -9

Answer 2

=-63

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Answer 3

Let's solve each of the expressions step by step:

1. -10 + 3 + (-4) = -10 + 3 - 4 [Negative of a negative is positive] = -7

2. -3 + 3 + 3 + (-9.5) = -3 + 3 + 3 - 9.5 [Negative of a negative is positive] = 6 - 9.5 = -3.5

3. -5 + 8 + (-5) = -5 + 8 - 5 [Negative of a negative is positive] = 3 - 5 = -2

4. -9 + 7 + (-7) = -9 + 7 - 7 [Negative of a negative is positive] = -9

So, the solutions are:

1. -7
2. -3.5
3. -2
4. -9