The coefficients in the expression 24x -3y + 7z are 24, -3 and 7.
A coefficient can be defined as a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
Now, what is a variable?
In algebra, a variable is a symbol (usually a letter) standing in for an unknown numerical value in an equation or expression.
Hence, in the given expression, 24x -3y + 7z; x, y and z are the variables.
The numerical quantities placed before and multiplying the variables x, y and z are 24, -3 and 7 respectively (that is the coefficients).
Hence, the coefficients in the expression 24x -3y + 7z are 24, -3 and 7.
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