A+5=5a+5 Subtract a from each side
5=5a+5 Subtract 5 from each side
0=5a Divide each side by the number before the variable to get it alone.
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5 5
a=0
Answer:
A.
Step-by-step explanation:
Answer:
21 students per teacher
10 students per tutor
10 tutors needed for 110 students
Step-by-step explanation:
84 ÷4=21
30÷3=10
110÷10=10
Collect like terms
6.5x-4.5x = 6+10
2x = 6+10
Divide both sides
2x = 16
X= 8