I have no idea what the lines mean :(
Answer:
x=-2.5
Step-by-step explanation:
3x-12+7=5x
-5=2x
-2.5=x
Answer: (-0.0549,-1.0732)
Answer:
8x and -20y
Step-by-step explanation:
any number that contains a variable is a coefficient.
There were 18 adults on the field trip. See, since 8x6=48, and there are 3 adults in each group, and there are 6 groups, there are 18 adults (6x3=18)