Respuesta :

r3t40

1.

[tex]

2(x+5)=3x+1 \\

2x+10=3x+1 \\

-x=-9 \\

x=9

[/tex]

2.

[tex]

3y-4=6-2y \\

5y=10 \\

y=2

[/tex]

3.

[tex]

3(n+2)=9(6-n) \\

3n+6=54-9n \\

12n=48 \\

n=\frac{48}{12}=4

[/tex]

Hope this helps.