yasminnishkan
29.10.2020 •
Mathematics
9x + 3 = 6x - 12 + 3x
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Ответ:
0=−15
Step-by-step explanation:
subtract 3 from both sides
9+3=9−12
9+3−3=9−12−3
simplify
9=9−15
subtract 9x from both sides
9=9−15
Simplify again and combine like terms and you should get 0=−15
Ответ: