It very much depends on the equation. The procedure for solving an equation with just one variable is so very different from the procedure for finding solutions to non-linear equations in several variables.
"Solve an equation" means "find out, for which values of the variable or variables is the equation true".
Yes, that is often possible. It depends on the equation, of course - some equations have no solutions.
It depends on which variable you wish to solve for.
When you solve a one-variable equation, your goal is to isolate the variable.To isolate the variable means to make it be alone on one side of the equals sign.In the equation shown here, you can isolate the variable by subtracting 9 from both sides of the equation and simplifying
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Sure. You can always 'solve for' a variable, and if it happens to be the only variable in the equation, than that's how you solve the equation.
variable equation solve it test it
you have to solve the actual equation in order to answer this about your variable
No, you can only simplify an expression. To solve for a variable, it must be in an equation.
you can only solve for one in an equation so it can equal something
When an equation has a variable in it (only one), then there are only certainvalues the variable can have that will make the equation a true statement."Solving" the equation means finding those values for the variable.
If the solution contains one variable which has not been fixed then there are infinitely many solution.
carefully
To determine the best variable to solve for in a system of equations by substitution, look for the equation that allows you to isolate a variable easily. Typically, choose the equation where one variable has a coefficient of 1 or -1, or is already expressed in terms of the other variable. This makes substitution straightforward and minimizes complexity in calculations. Once identified, you can solve for that variable and substitute it into the other equation.
"Solve an equation" means "find out, for which values of the variable or variables is the equation true".
To solve a two-step equation with a fraction and a variable, first isolate the term with the variable by eliminating any constant on the same side. You can do this by adding or subtracting the constant from both sides. Next, if the variable is multiplied by a fraction, multiply both sides of the equation by the reciprocal of that fraction to solve for the variable. Finally, simplify to find the value of the variable.
You solve the equation the same way as you would any other equation. Whether the variable is a fraction or otherwise will only become clear once you solve the equation. In other words, you don't initially KNOW whether the solution will be a fraction or not.