Răspuns:
[tex]{ \red{x = 5}}[/tex]
Explicație pas cu pas:
[tex]x + \frac{x - 2}{ - 3} = 4 \\ {}^{3)} \frac{x}{1} - \frac{x - 2}{3} = 4 \: ) \times 3 \\ 3x - (x - 2) = 12 \\ 3x - x + 2 = 12 \\ 2x + 2 = 12 \\ 2x = 12 - 2 \\ 2x = 10 \\ x = 10 \div 2 \\ { \red{x = 5}}[/tex]
Succes!
[tex]\boldsymbol{ \red{ 5 }}[/tex]
[tex]x + \dfrac{x - 2}{-3} = 4[/tex]
[tex]x - \dfrac{x - 2}{3} = 4 \ \ \big|\cdot 3[/tex]
3x - (x - 2) = 12
3x - x + 2 = 12
2x = 12 - 2
2x = 10
x = 10 : 2
x = 5 ∈ Q
