55. Solve the simultaneous equations log base 2 (4 + x - 5y) = 0, log base 2 (x + 1) - 2 log base 2 y = 1.
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The second equation can be rewritten as log(x-2y) = 2^5
The first equation is more complicated because you have different bases. You need to chane base 4 to base 2 by using the rule that allows for base changes.
Once you do this, you can use the Law of Logs to combine the left side which will equal 2^4 or 16.
Can you finish it now? Do you need more help?
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