Question

1. (+7) +(-11)
2. (-7) +(-12)
3. (5) - (-10)
4. (+10) + (-5)

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Answer 1

Answer:

1. 7-11

= -4

2. -7-12

= -19

3. 5+10

= 15

4. 10-5

=5

Answer 2

Answer:

1) -4    2) -19    3) +15    4) +5

Step-by-step explanation:

1) plus multiplied by minus is always minus, so +7-11 = -4

2) again, plus multiplied by minus is always minus, so -7-12 = -19

3) minus multiplied by minus is always plus, so +5+10 = +15

4) plus multiplied by minus is minus, so +10-5 = +5