The coefficient is 7 and the variable is x
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The coefficient is 7 and the variable is x.
7 is the coefficient.X is the variable.3 is a constant.And this is an expression, not a problem.
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In 7x+7, x is a variable.
A variable is a part of a term which can change. A coefficient is a numerical constant, associated with a variable. For example, in the term 3x^2 , 3 is the coefficient, while x is a variable.