They can not, there are only 2 sides and they probably flipped it different ways. They got 'lucky'.
Answer is 7
Step by step explanation
3x+159=180
3x=180-159=21
x=7
Composing function is applying one function to the result of another and an arithmetic operation is when you add, subtract, multiply, or divide two functions.
Answer:
e^2 -7 = x
Step-by-step explanation:
2=ln(x+7)
Raise each side to the base of e
e^2 = e^ln (x+7)
The e^ln cancel
e^2 = x+7
Subtract 7 from each side
e^2 -7 = x +7-7
e^2 -7 = x