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2x-1/5=2 va rog raspundeti repede


Răspuns :

2x=2+1/5 adci la acelasi numitor
2x=8/5
10x=8
x=4/5
[tex]\displaystyle 2x- \frac{1}{5} =2 \\ 2x \cdot 5-1=2 \cdot 5 \\ 10x-1=10 \\ 10x=10+1 \\ 10x=11 \\ x= \frac{11}{10} [/tex]