Respuesta :
Follow the order of operations.
First do what is inside the parenthesis
20 + 3(7+4) + 5 + 2(7+9)
20 + 3(11) + 5 + 2(16)
Next, do the multiplication
20 + 3(11) + 5 + 2(16)
20 + 33 + 5 + 32
Then add
20 + 33 + 5 + 32 = 90
First do what is inside the parenthesis
20 + 3(7+4) + 5 + 2(7+9)
20 + 3(11) + 5 + 2(16)
Next, do the multiplication
20 + 3(11) + 5 + 2(16)
20 + 33 + 5 + 32
Then add
20 + 33 + 5 + 32 = 90