3 years ago

Answer pleaseeee??? Thanks

Mathematics

2 answers:

Mnenie [13.5K]3 years ago

8 0

Answer:

A. 3x+7

Step-by-step explanation:

A variable expression is a symbol (usually in the alphabet) that replaces an unknown number.

b doesn't have any variable but a does the "x"

8_murik_8 [283]3 years ago

6 0

Answer: A. 3x+7
Explanation: Variable is a Letter, as in finding the letter of a problem

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