Answer:
B
Step-by-step explanation: Because he gains $25, which is positive
D
Step-by-step explanation:
2d(d-5) -2(d-5)
(2d-2) (d-5)
Answer: x = ( -3)
7 ( x+3 ) = 7x + 21
7x = -21
7x ÷ 7 = -21÷7
X = ( -3)