Question

3^x + 3^x +3^x = 27 find the value of x
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Answer 1

Step-by-step explanation:

$\tt\red{ QUESTION}$$\tt\blue{::}$

3^x + 3^x +3^x = 27 find the value of x

$\tt\red{ ANSWER}$$\tt\blue{::}$

$3x + 3x + 3x = 27 \\ 9x = 27 \\ x = 27 \div 9 \\ x = \frac{24}{9} = 3$

Answer 2

Answer:

Since, 3 x +27(3 −x )=12

⇒3 2x +27=(12)3 x

⇒(3 x ) 2 −(12)3

x+27=0⇒(3 x −9)(3 x −3)=0

⇒3 x=9 & 3 x =3