Respuesta :
B= 12.1429
first remove the parenthesis and add 20 and 60 to get eighty
next subtract 80 from both sides
then divide both sides by seven leading to w=12.14.29=B
B= 12.1429
first remove the parenthesis and add 20 and 60 to get eighty
next subtract 80 from both sides
then divide both sides by seven leading to w=12.14.29=B