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cat face 10x + 1\2=9\2

Răspuns :

Samsunggenius200
a)10x + 1\2=9\210x+1/2−1/2=9/2−1/2
10x=4
10x/10=4/10
x=2/5


Lorenuţa
[tex]10x+ \frac{1}{2} = \frac{9}{2} [/tex]
[tex]10x= \frac{9}{2} - \frac{1}{2} [/tex]
[tex]10x= \frac{8}{2} [/tex]
[tex]10x=4[/tex]
[tex]x= \frac{4}{10} [/tex]
[tex]x=0.4[/tex]

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