Ara3333 Ara3333
  • 15-01-2021
  • Mathematics
contestada

If 2^3x-1 = 32 then x = (image included)
a. 5
b. -2
c. 2
d. 4/3
e. -4

If 23x1 32 then x image included a 5 b 2 c 2 d 43 e 4 class=

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jacobEwing
jacobEwing jacobEwing
  • 15-01-2021

Answer:

x is equal to two.

Step-by-step explanation:

We know that 32 is a power of 2.  It is in fact two to the power of five.  So we can re-express that as:

[tex]2^{3x - 1} = 2^5[/tex]

Because they have the same constant as a base, we can toss the base altogether, and equate the exponents:

[tex]3x - 1 = 5\\3x = 6\\x = 2[/tex]

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