Question 65674: what is the difference between
3(x –1) + 4 – 2x
3(x-1) +4 = 2x
Answer by praseenakos@yahoo.com(507)   (Show Source):
You can put this solution on YOUR website! QUESTION:
what is the difference between
3(x –1) + 4 – 2x
3(x-1) +4 = 2x
ANSWER:
3(x –1) + 4 – 2x is an expression
and 3(x-1) +4 = 2x is an equation.
An expression is a combination of numbers, operators, grouping symbols (such as brackets and parentheses) and/or free variables and bound variables arranged in a meaningful way which can be evaluated.
An expression which includes an equal sign is called an equation.
Otherwise we can define,
An equation is a mathematical statement, in symbols, that two things are the
same (or equivalent). Equations are written with an equal sign, as in
2 + 3 = 5.
Hope you understood.
Regards.
Praseena.
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