Respuesta :

Answer:

[tex]5y+10[/tex]

Step-by-step explanation:

[tex]20+(y-10)+4y[/tex]

Remove brackets:

[tex]20+y-10+4y[/tex]

Group the similar terms together:

[tex]y+4y+20-10[/tex]

Add/Subtract the y variables:

[tex]5y+20-10[/tex]

Add/Subtract the numbers:

[tex]5y+10[/tex]

Answer:

below

Step-by-step explanation:

[tex]20 + (y - 10) + 4y \\20 + y -10 + 4y \\20 - 10 + y + 4y \\10 + 5y[/tex]