braydonmac1 braydonmac1

16-09-2020
Mathematics

contestada

2. (-9 + 12) - (-7)

Respuesta :

devishri1977 devishri1977

16-09-2020

Answer:

Step-by-step explanation:

(-9 + 12) - (-7) = 4 -(-7)

= 4 + 7

= 11

Sign of 9 is (-)

Sign of 12 is +. So subtract and the answer will have the sign of bigger number

12 - 9 = 4 and bigger number is 12 and sign of 12 is +.so +4

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