cassiegagnier73
06.02.2021 •
Mathematics
1) Example: X - (-7)= 5 *Simplify both negative signs (-) to make a positive (+) *
x + 7 = 5
-7 -7
X= -2
Check: (-2) +7 = 5
5 = 5
TRUE
2)
X - (- 4) = 12
1
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Ответ:
X - (- 4) = 12
X + 4 = 12
X = 12 - 4
X = 8
Check:
(8)+4=12
12 = 12
TRUE
#CarryOnLearning#LearningIsFunОтвет:
600 feet deep
Step-by-step explanation:
The submarine was at 500 feet then it went 125 feet up so 500-125=375 then you take that and add 225 feet so 375+225=600