Sistemas de Ecuaciones Exponenciales y Logarítmicas

1 Sistemas de Ecuaciones Exponenciales y Logar tmicas 1. 3 813 9x yy x+ = = 2. 3 3 363 3x yy x + = = 3. 222 225 25 53 3 81x x yx y+ = = 4. 12 2 2x yx y = = 5. 2 2 202 64x yy x+ + = = 6. 212 3 112 3 1xyxy+ + = = 7. 11212 3 3 155 3 3 108xyxy+ + = = 8. 113 2 2 3 425 2 4 3 4xyxy+ = = 9. 1113 2 2353 2 79x yxy+ = = 10. 110log( ) log( ) 3x yx y+ = += 11. 4 0log( ) log( ) 4y xx y = += 12. = =+1)log()log(3)log()log(yxyx 13. =+= 2)log()log(35)log(3)log(2yxyx 14.

2 332 9log ( ) log ( ) 1x yxy = = 15. 3log( ) log( ) 1x yx y = += 16. 2370log log 0x yy x + = = 17. 115 5log( ) log( ) log(33)x yx y x y+ = + + = 18. 32212log log3x yx y+ = = 19. 3330log log 3x yx y+ = = 20. ()222log2log log 1x yx y = = 21. 322222log log 3log 2 log 2xyx y = = 22. log ( 72) 231log ( 6)2xyyx = + = 23. 2log 1log 2log log 4xyx y = += 24. =+=++ 95295211yxyx 25. == 1464111312557623yxyx