Respuesta :

[tex](y-7)+(3y+18)[/tex]

1. Remove the parentheses:

[tex]=y-7+3y+18[/tex]

2. Combine like terms:

[tex]\begin{gathered} =y+3y-7+18 \\ =4y+11 \end{gathered}[/tex]Then, the sum of given polynomials is equal to 4y+11

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