john8016
21.08.2019 •
Mathematics
What is the solution set for 8x-9=11x+12
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Ответ:
8x-11x-9=12
-3x-9=12
-3x=12+9
-3x=21
x=21/-3
x=-7
Ответ:
-8x -8x
-9 = 3x + 12
-12 -12
-21 = 3x
3 3
-7 = x
Ответ:
It's A