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URGGGGGGGGGEEEEEEEENNNNNNNNNNNNNNNNNNNTTTTTTTT

URGGGGGGGGGEEEEEEEENNNNNNNNNNNNNNNNNNNTTTTTTTT class=
URGGGGGGGGGEEEEEEEENNNNNNNNNNNNNNNNNNNTTTTTTTT class=

Răspuns :

1) d1||d2:(3x-22)+50=180
3x-22=130
3x=152
x=50,6

2)5x+30=x+12
4x=42
x=10,5