Answer:
fourteen times a number, plus three times another number
Step-by-step explanation:
If you know what x and y stand for, you can use those names. If not, you can call them "a number" and "another number". Using that, we have ...
fourteen times a number, plus three times another number
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If you want to try to reduce the ambiguity, you could write it as ...
- the sum of the product of fourteen and a number, and the product of three and another number.
To really minimize the ambiguity, you can use more words to describe the structure of the expression.
- The sum is of two products. The first product is the product of fourteen and a number. The second product is the the product of three and another number.
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Additional comment
The use of the comma in the first description helps make sure it is understood not to be 14(x +3)y.
