42+7a= 7(6+a)
By noticing they both have a factor of 7, I was able to find the equation.
Solving the equation we get:

Step-by-step explanation:
We need to solve the equation: 
Solving:


Taking LCM of 9 and 4 we get 36




So, solving the equation
we get 
In the first blank, in denominators we get 36 and in the second black we get 
So, answer is:

Keywords: Solving Fractions
Learn more about Solving Fractions at:
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4.5/5 = 9/10
252= 9/10
252 divided by 9 = 28
0.5.= 28
5 = 252+ 28
5= 280
<h3>
Answer: Choice A) 9 combinations</h3>
Explanation:
Imagine you had a table with 3 rows and 3 columns. The rows represent the possible main dishes (Chicken, Fish, Beef) and the rows represent the side dishes (Rice, Potatoes, Vegetables).
The table has 3*3 = 9 cells inside it. Each inner cell represents a different combo the customer can order.