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5(x - 1) + 4 = 2(x + 3) - 1 ​

Răspuns :

Kitty200704ask

5(x - 1) + 4 = 2(x + 3) - 1

5x - 5+ 4 = 2x + 6- 1

5x-1=2x+5 /+1

5x=2x+6 /-2x

3x=6

x=2

Răspuns: [tex]\color{red}\Large \boxed{\bf x= 2}[/tex]

[tex]\large \bf 5(x - 1) + 4 = 2(x + 3) - 1[/tex]

[tex]\large \bf 5x - 5+ 4 = 2x + 6 - 1[/tex]

[tex]\large \bf 5x - 1 = 2x + 5[/tex]

[tex]\large \bf 5x = 2x + 5 +1[/tex]

[tex]\large \bf 5x = 2x + 6[/tex]

[tex]\large \bf 5x -2x = 6[/tex]

[tex]\large \bf 3x = 6~~~\bigg|:3[/tex]

[tex]\color{red}\Large \boxed{\bf x= 2}[/tex]

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