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|x-1+2x-3| = x + 2
x - 1 + 2x - 3 = x + 2
2x = 6
x=3
o
x - 1 + 2x - 3 = -x - 2
4x = 2
x = 1/2
Solución: x = {1/2,3}
Ejercicio m:
|x-6| = |5x+8|
x-6 = 5x+8
-4x = 14
x = -7/2
o
x-6 = -5x-8
6x = -2
x = -1/3
Solución: x = {-1/3 , -7/2}
Ejercicio n:
1 + 4x - 3x = 18
x = 17
o
1 + 4x - 3x = -18
x = - 19
Solución: x = {-19 , 17}