Step-by-step explanation:
3(x+1)=-2(x-1)-4
3x+3=-2x+2-4
by combining like terms on one side and unlike term by other side
3x+2x=2-4-3
5x= -5
x= -5/5
x=-1
Answer: a
Step-by-step explanation: its getting rid of water and the original is 40
This is your answer, good luck buddy