answersLogoWhite

0


Best Answer

An equation does not need variables. 4+5=9 is an equation as is 5+W=9

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Does an equation have to contain a variable?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Can you solve a variable with an equation?

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.


What is the difference between a algebraic equation and a monomial?

The first is an equation which may contain any powers of the variable - including fractional powers. The second is a single term.


What is 306g is equal too 22.5?

It appears to be a linear equation in the variable, g.It appears to be a linear equation in the variable, g.It appears to be a linear equation in the variable, g.It appears to be a linear equation in the variable, g.


Can you solve for a variable in an equation?

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.


Why do you isolate the variable on one side the the equation when solving a linear equation?

Isolating a single variable in terms of the rest of the equation provides a solution to that variable. That is, if you know the equation that equals the variable, then you can figure out its value.


What is is an equation with more than one variable called?

Simultaneous equation* * * * *No, simultaneous equations are two or more equations that have all to be true at the same time (simultaneously) for the solution.An equation with more than one variable is a multivariate equaion.Area = 0.5*Length*Height or a = 0.5*l*h for the area of a triangle has more than one variables, but it is certainly not simultaneous.An equation with a variable is called a single variable equation. An equation that has more than one variable is called as a multi-variable equation. A polynomial equation has one variable in different powers: a common example is quadratic equations.


What is an experiment that does not contain a variable?

The control does not contain a variable!:)


What number when substituded for the variable in an equation makes the equation true?

you have to solve the actual equation in order to answer this about your variable


What is an equation that is not true for any value of a variable?

linear equation in one variable


What is the first step to solving for x?

That depends on the specific equation. The general idea is to "isolate" the variable, for example "x", manipulating the equation in such a way that all terms that contain "x" are on the left, and all terms that don't contain it, are on the right.


What is it called when you have to get the variable alone on one side of an equation?

It is to make the variable the subject of the equation.


How did you know that the values of variable raelly satisfy the equation?

You substitute the value of the variable into the equation and simplify. If the rsult is a true statement then that value of the variable really does satisfy the equation.