Identify the as an expression or an equation. See Example.
EXAMPLE Distinguishing between Equations and Expressions
Decide whether each of the following is an equation or an expression.
(a) 2x − 5y There is no equals symbol. This is an expression.
(b) 2x = 5y There is an equals symbol with something on either side of it.
This is an equation.
3x + 2(x −4)
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