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84. Sa se rezolve ecuatia: 2|3x-2| + 3|2-3x|=5

Răspuns :

Miky93
2|3x-2| +3|2-3x|=5

2(3x-2)+3(-2+3x)=5

6x -4 -6 +9x =5

15x -10 =5

15x =5 +10

15x=15

x=1
2|3x-2| +3|2-3x|=5
2(3x-2)+3(-2+3x)=5
6x -4 -6 +9x =5
15x -10 =5
15x =5 +10
15x=15
x=1