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mart [117]
3 years ago
6

Solve for x given that

%7D%20" id="TexFormula1" title=" {64}^{2x - 1} = {32}^{x + 1} " alt=" {64}^{2x - 1} = {32}^{x + 1} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0

Answer:

x = \frac{11}{7}

Step-by-step explanation:

note that 64 = 2^{6} and 32 = 2^{5} , thus

(2^{6}) ^{2x-1} = (2^{5}) ^{x+1} , that is

2^{6(2x-1)} = 2^{5(x+1)}

2^{12x-6} = 2^{5x+5}

Since the bases on both sides are equal, then equate the exponents

12x - 6 = 5x + 5 ( subtract 5x from both sides )

7x - 6 = 5 ( add 6 to both sides )

7x = 11 ( divide both sides by 7 )

x = \frac{11}{7}

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