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write an equation and solve to find the number

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Hi, Ieasha!
 
This sentence seems a little confusing at first, so let's look at the pieces of it.
 
"The difference of" tells us there will be 2 expressions to subtract.
 
The first expression is "the product of number, y, and 3,"  that is, y times 3. Write it as 3y.
 
The second expression is 24.
 
"Is" means "equals."
 
So we have:
 
    3y - 24 = 237
 
To solve by getting the variable by itself, add 24 to both sides:      3y = 261
 
Then divide by 3:     y = 87
 
Hope this helps!
Kathye P.