2 years ago

What is the solution to this equation? log_7 (5 + 11x) = 2

Mathematics

1 answer:

11111nata11111 [884]2 years ago

5 0

Answer:

x = 4

Step-by-step explanation:

Using the rule of logarithms

$log_{b}$ x = n , then x = $b^{n}$

Given

$log_{7}$ (5 + 11x) = 2 , then

5 + 11x = 7² = 49 ( subtract 5 from both sides )

11x = 44 ( divide both sides by 11 )

x = 4

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