Respuesta :
ANSWER
The solution is
[tex]x = 5[/tex]
EXPLANATION
We want to solve the logarithmic equation
[tex] log_{2}(3x - 7) = 3[/tex]
We take the antilogarithm of both sides to base 2.
In order words we need to rewrite the logarithmic equation as an exponential equation,
This implies that,
[tex](3x - 7) = {2}^{3} [/tex]
We evaluate the right hand side of the equation to obtain,
[tex]3x - 7 = 8[/tex]
We group the constant terms on the left hand side of the equation to obtain,
[tex]3x = 8 + 7[/tex]
This implies that
[tex]3x=15[/tex]
[tex]x = 5[/tex]
The solution is
[tex]x = 5[/tex]
EXPLANATION
We want to solve the logarithmic equation
[tex] log_{2}(3x - 7) = 3[/tex]
We take the antilogarithm of both sides to base 2.
In order words we need to rewrite the logarithmic equation as an exponential equation,
This implies that,
[tex](3x - 7) = {2}^{3} [/tex]
We evaluate the right hand side of the equation to obtain,
[tex]3x - 7 = 8[/tex]
We group the constant terms on the left hand side of the equation to obtain,
[tex]3x = 8 + 7[/tex]
This implies that
[tex]3x=15[/tex]
[tex]x = 5[/tex]
The equation is a logarithm equation, and the solution to log₂(3x - 7) = 3 is x = 5
How to determine the solution?
The equation is given as:
log₂(3x - 7) = 3
Remove the logarithm symbol
3x - 7 = 2^3
Evaluate the exponent
3x - 7 = 8
Add 7 t both sides
3x = 15
Divide both sides by 3
x = 5
Hence, the solution to log₂(3x - 7) = 3 is x = 5
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