Consider,

. Let's say

then the problem reduces to

. (Do you understand this step?)
So then replacing a again with our definition we get,

.
When you add all the number together you get 364.6 round it = 365
Because 6 is > 5
Answer:
6(x-10)=5-2(1-x)
Step-by-step explanation:
I divided by 3 the parenthesis, and multiplied by 3 the first number, which makes an equivalent equation.
Answer:
"How much did Wang Yong pay each month" answer: $170
"How long did it take Wang Yong to pay back his entire debt?" answer: 50 months