Answer:
7
Step-by-step explanation:
45/9 = 5
12 - 7 = 5
3(2x+2)=3x-15
mutiply the bracket by 3
(3)(2x)(3)(2)= 6x+6
6x+6= 3x-15
move 3x to the other side
sign changes from +3x to -3x
6x-3x+6= 3x-3x-15
6x-3x+6= -15
3x+6= -15
move +6 to the other side
sign changes from +6 to -6
3x+6-6= -15-6
3x= -21
divide by 3 for both sides
3x/3= -21/3
x= -7
Answer: x= -7
(960-680)+d= total profit
960-680= 280 dollars of total profit
280× 186 days (six months and six days)= 52,080
So in six months and six days the store will become profitable.
(2a+2)(4a+4)
8a^2+8a+8a+8
The answer is 8a^2+16a+8
