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20.09.2020 •
Mathematics
X-27=-(27-x) It’s for math 9th grade
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Ответ:
x - 27 = -(27 - x)
x - 27 = -27 + x
x = x
-27 is moved to the right side making it +27 and cancelling out with the -27.
Ответ:
8(2)-4=12