Question

Find x if 3x - 3x-1 = 18​

Answer 1

Answer:

3  

x

−3  

x−1

=18

⇒3  

x

−  

3

3  

x

 

​  

=18

⇒3  

x

(  

3

2

​  

)=18

    3  

x−1

.2=3  

2

.2

    x−1=2

∴x=3

   x  

x

=3  

3

=27.

Hence, the answer is 27.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

verified answer

3x=18+1

x= 19/3

answer