SOLUTION: I don't understand "Expressions". Can you please help me?

Question 74346: I don't understand "Expressions". Can you please help me?
Answer by cathieb1225(41) (Show Source): You can put this solution on YOUR website!
An expression is made up of one,two,or more terms,such as
2x 3x+2 5x-2y+4
What makes these expressions and not equations is that there is no equal sign.
These are equations: 2x=10 3x+2=8 5x-2y+4=0
Equations can be solved, expressions can not be. They can only be simplified if they contain like terms, such as 2x+5x. The simplification is 7x,but it is still an expression.
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