Question

Решите уравнение 3/2 ∜9x-2/3 ∜9x+7=2∜9x

Answer 1

⁴√ 9X = A 
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3/2A - 2/3A + 7 = 2A 
9/6A - 4/6A + 7 = 2A 
5/6A + 7 = 2A 
2A - 5/6A = 7 
12/6A - 5/6A = 7 
7/6A = 7 
A = 6 
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⁴ √ 9X = 6 
⁴ √ 9X = ⁴√ 1296
9X = 1296 
X = 144