2007-10-24 11:28:35 · 4 answers · asked by beachsweetie33@sbcglobal.net 3 in Science & Mathematics ➔ Mathematics
an equation is two expressions set equal to each other.
an expression is just a combination of variables and numbers using the math operations like +, -, x, /
Example: 3x + 5 + 2x - 9 is an expression
Example 3x + 5 + 2x = 9x - 4 is an equation
you "solve" equations but only "simplify" expressions
2007-10-24 11:33:10 · answer #1 · answered by Linda K 5 · 1⤊ 0⤋
An equation has an equal sign.
2x + 9 is an expression.
2x + 9 = 0 is an equation.
2007-10-24 11:30:58 · answer #2 · answered by Puzzling 7 · 0⤊ 0⤋
An EQUAtion has an EQUAls sign. It's a statement that two expressions are equal to each other.
An "expression" is just a combination of numbers, variables, and operations (addition, subtraction, multiplication, division, exponents, radicals, etc.).
2007-10-24 11:33:02 · answer #3 · answered by Anonymous · 0⤊ 0⤋
0=x+x, equation
x+x, expression
2007-10-24 11:32:20 · answer #4 · answered by Ronnoc 3 · 0⤊ 1⤋