Answer: A)
x = # of students in math class
2x+7=40
B)
2x+7=40
-7
------------
2x = 33
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2 2
x = 76 students
Answer:
He is asking about the power not the answer. I did a small calculation like 8*3 should be a 2 digits number. Took 10^1 out & simply 10^1*10^12*10^2= 10^15
Answer:
Step-by-step explanation:

Transposition
Transposition is a method to isolate the variable to one side of the equation and everything else to the other side so that you can solve the equation.
Algebraic equations can be solved using the Law of equations. The Law of equations states that whatever you do on one side of an equation, you must do on the other side as well.
Answer:
y=100 pages
Step-by-step explanation:
y=15x+10
y=15(6)+10
y= 90+10
y=100