What are you trying to unblock, my friend?
Answer:
27=3c-3(6-2c)
Open the brackets (multiply 6 and -2c by -3)
27=3c-18+6c
Add 3c and 6c
27=9c-18
Add 18 to both sides
45=9c
Divide by 9
c=5 (45/9)
now to check this just substitute c (5) into the equation
27=(3*5)-18+(6*5)
27=15-18+30
27=30-3
27=27
Answer: 166 students
Explanation: First your equation will be S times 15 equals 2,500 which will read as: S * 15 = 2,500 , then you will divide 2,500 by 15 which will give you 166.666667, since there cannot be .66 repeating students you will round down and the answer will be 166 students.
Answer:
8x+10
Step-by-step explanation:
2(x+5)+6x
Distribute
2x+10 +6x
Combine like terms
8x+10
