Solve: Find a definite answer to X or Y or whatever.
Evaluate: Find out a definite answer to the equation.
Simplify: No definite answer.
To evaluate usually implies plugging in the values for the variables.
i.e. Evaluate 3x²+2 when x=5. The value of the expression (or its evaluation) is 77 ■
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Well, honey, "solve" is like finding the solution to a problem, like figuring out the value of x in an equation. "Evaluate" is just plugging in numbers to see what the expression equals. And "simplify" is making things easier by combining like terms or getting rid of unnecessary stuff. So, in a nutshell, solving is finding the answer, evaluating is crunching numbers, and simplifying is tidying up the math mess.
To solve would be to rewrite the equation in terms of the variable in the equation. For example, solve: 3x-2=7. You would solve for the variable x; e.g. 3x=9 and x=3. To evaluate, you would be given an equation with a variable or variables. You would need to be given a value for the variable(s) to substitute into the equation. For example evaluate the equation for x=3; equation is x2+1. Substitute 3 in for x; or 32+1=10. To simplify, reduce the equation to its simplest form. This will involve operations such as: factoring, adding, subtracting, dividing, canceling terms, and so forth. For example simplify the equation: 3x3/9x2. The 3/9 is simplified to 1/3 and x3/x2 is simplified to x. So the original equation simplified is: 1/3 times x or (1/3)x or x/3.Which is the right answer for most of you who does not know.
To simplify an equation is to combine like terms, but you do not solve it for example: simplify 3X+4-X-6 2X-2
evaluate means the same thing as solve in most math terms so9^2= 81
No, you can only simplify an expression. To solve for a variable, it must be in an equation.
That's not an equation. It need a = sign before you can solve it. However you can simplify it by combining like factors