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a fost răspuns

Dau coroană!!! /=supra a) 3x-1/2+7-2x/3=1-3x/4 b) 3x-1/4-x+2/5=x-1/2 c) 3x+1/2-x+1/3=10x-2/9 d) 3x-5/6-x-1/4=2x-5/8

Răspuns :

Exercitiile a si b imediat fac si c si d
Vezi imaginea Solomonshtou3
Targoviste44

[tex]\it a)\ \ \dfrac{3x-1}{2}+\dfrac{7-2x}{3}=\dfrac{1-3x}{4}\bigg|_{\cdot12} \Rightarrow 18x-6+28-8x=3-9x \Rightarrow \\ \\ \\ \Rightarrow 18x-8x+9x=3+6-28 \Rightarrow 19x=-19\bigg|_{:19} \Rightarrow x=-1[/tex]

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