The sum of twice a number and 9 is -25

n = -17

Step-by-step explanation:

2n+9 = -25

Subtract 9 from each side

2n+9-9 = -25-9

2n = -34

Divide each side by 2

2n/2 = -34/2

n = -17

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or