2. 5(x-1)=-3x+35
5x-5=-3x+35
5x=-3x+30
2x=30
x=15
Answer: 5/3 = 1 10/6
Step-by-step explanation: This is the right answer.
Either one at any given time could be equal to zero. So
x + 2 = 0
x = - 2
x - 18 = 0
x = 18
I've enclosed a graph of this so you can see that the answers I've given are the ones expected.
The answer should be A, if he marked it up 70% just multiply 66 by 1.7 for your answer.