geg05
08.04.2021 •
Mathematics
-x+4=-9 help me please
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Ответ:
-13 = x
Step-by-step explanation:
:))
Ответ:
x = 13
Step-by-step explanation:
First subtract -4 on both sides because your adding by 4
-x + 4 = -9
- 4 -4
The 4 - 4 cancels out
So, -9 - 4 is -13
Then we change the sign because we cannot leave x negative.
-x = -13
x = 13
Ответ:
Metals get charges by induction, the charges are transferred from the electroscope causing earthing; Charges on the electroscope induce opposite charges on the conductor