Answer:
2)

collect like terms

move the constant to the right hand side and change its sign.

Subtract the numbers

Divide both sides of the equation by 8

Answer:
Mark C.
Step-by-step explanation:
If there are 27 students in both classes, it's logicial to multiply both classes by two to get the total students.
Since the <em>S</em> stands for the students absent, that should come after the brackets.
Answer:
1,215
Step-by-step explanation: