x+2/5=1/2 help me

Question

x+2/5=1/2                help          me

thuminh · Answer

x + $ frac{2}{5}$ = $ frac{1}{2}$             x = $ frac{1}{2}$ - $ frac{2}{5}$             x = $ frac{1}{10}$.

tonga · Answer

Đ&aacute;p &aacute;n:   x+2/5=1/2   x=1/2-2/5   x=5/10-4/10   x=5-4/10   vậy x=1/10    HỌC TỐT~~

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