rezolvați in Q ecuatia
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Răspuns:
Explicație pas cu pas:
x/2 + 7 = x + 5
x - x/2 = 7 - 5
x/2 = 2
x = 4
[tex]\it \dfrac{1}{2}x+7=x+5|_{\cdot2} \Rightarrow x+14=2x+10 \Rightarrow 14-10=2x-x \Rightarrow 4=x \Rightarrow x=4[/tex]