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Sonbull [250]
3 years ago
6

–x – 7 = 16 please help me

Mathematics
2 answers:
atroni [7]3 years ago
7 0
Move the -7 to the right, its sign will flip (do you know why?)
Negate both sides to change -x to x

-x = 16+7
-x = 23
x = -23
slavikrds [6]3 years ago
6 0
-x-7=16  |+7 , add to both sides
<span>-x=23  |*(-1)
x = -23

Answer:
-23
,,,,,,,,,,,,,,,,,,,,
-x-7=-(-23)-7=23-7=16</span>
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