Respuesta :

c62712

Answer:

45

Step-by-step explanation:

Using PEMDAS,

20 - (-30) + (-15) ÷ 3 =

20 + 30 - 15 ÷ 3 =

20 + 30 - 5 =

50 - 5 =

45

Tasyha

Answer:

45

Step-by-step explanation:

[tex]20 - ( - 30) + ( - 15) \div 3[/tex]

[tex]20 + 30 + ( - 15) \div 3[/tex]

[tex]( - 15) \div 3 = - (15 \div 3) = - 5[/tex]

[tex]20 + 30 - 5[/tex]

[tex]20 + 30 - 5 = 50 - 5[/tex]

[tex] = 45[/tex]

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