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Aflati x din egalitatile 1/2+x=1

Răspuns :

[tex]\frac{1}{2}+x=1 \\ \\ \frac{1}{2}+\frac{2x}{2}=1 \\\\ \frac{1+2x}{2}=1 \\\\ 1+2x=2 \cdot 1=2 \\\\\ 2x=2-1=1 \\\\ \Rightarrow \boxed{\bold{x=\frac{1}{2}}}}[/tex]

[tex]\it\dfrac{1}{2} +x = 1 [/tex]

[tex]\it x = 1 - \dfrac{1}{2}[/tex]

[tex]\it x = \dfrac{1}{2}.[/tex]