Question

Find the value of
(12) + (-3) + 5 - (-2)

Answer:
(12) - (+3) +5+ (+2)=
9+5 = 16



My question:
Why are we subtracting there instead of doing full addition? It would really help me if I knew this. Thanks :')

Answer 1

Step-by-step explanation:

The Rules:

Rule Example

+(+) Two like signs become a positive sign 3+(+2) = 3 + 2 = 5

−(−) 6−(−3) = 6 + 3 = 9

+(−) Two unlike signs become a negative sign 7+(−2) = 7 − 2 = 5

−(+) 8−(+2) = 8 − 2 = 6

Answer 2

Answer:

Because+ and - = -

Step-by-step explanation:

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