Answer:
x = 6
Step-by-step explanation:
Love proportions!
3x+2(x+6) = 35(21)
21(3x+2) = 35(x+6)
63x + 42 = 35x + 210
28x = 168
x = 6
Answer:
We conclude that:
Step-by-step explanation:
Given:

To determine:
Explain how to solve the expression
<u>Solving the expression</u>

Apply the exponent rule

so the expression becomes

Therefore, we conclude that:
Answer:
x=12
Step-by-step explanation:
Simplify both sides by adding like terms
5/12x=x-7
subtract x from both sides
-7/12x=-7
multiply both sides by 12/-7
x=12
Answer:
A.4
Step-by-step explanation:
Median is the middle meaning 6th grade got 4 more hours then the 8th graders