I would just punch it in a calculator...
Answer:
X= -3
Step-by-step explanation:
Subtract 7 from both sides of the equation
Simplify
Divide both sides of the equation by the same term
Simplify
I think is 3 because if the concentration every hour the tea doubles then it take
Answer:
B. -3 < -2
Step-by-step explanation:
-3 is less than -2
because -2 is closer to 0 and into being positive than -3,
therefore, -3 < -2.