3 years ago

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

Mathematics

2 answers:

julia-pushkina [17]3 years ago

6 0

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

Aleonysh [2.5K]3 years ago

3 0

Answer:

(-9+12)=3

3-(-7)=

3+7

ans=10

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2. (-9 + 12) - (-7) ​

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