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2^(x - 2) %2B 5^(-2*x %2B 13)=2^(x %2B 2) %2B 5^(-2*x %2B 11) |
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Answer» 5^13-2x+ 2^x-2=2^x+2+ 5^11-2x; 5^13-2x+5^;11-2x=2^x+2-2^x+2; 5^13-11-2x+2x=2^x+2'x-2; 5^2=25 |
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