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Do equations always have variables

Updated: 12/23/2022
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11y ago

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not always.

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11y ago
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Q: Do equations always have variables
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Related questions

What is of system of equations?

It is essentially a list of equations that have common unknown variables in all of them. For example, a+b-c=3 4a+b+c=1 a-2b-7c=-2 would be a system of equations. If there are the same number of equations and variables you can usually, but not always, find the solutions. Since there are 3 equations and 3 variables (a, b, and c) in this example one can usually find the value of those three variables.


Do you have to use the same variables for all equations when creating a system of equations?

The idea is to work with the same variables, but it is possible that some of the variables are missing in some of the equations.


How can you find solutions for equations with two variables?

if you can, you could always search a online calculator and use that.


What are some careers that use variables and equations?

There are many careers that use variables and equations regularly. Computer scientists, engineers, and scientists all depend on the use of variables and equations. Architects, plumbers, and home decorators also utilize variables and equations.


Is eliminating variables from equations equal to find the value of the variables?

No, but eliminating variables is one of several ways to find the value of variables in a system of equations.


Which of the following is a system of linear equations in two variables?

Simultaneous equations have at least two unknown variables.


What is function as equations in two variables?

Straight line equations have two variables in the form of x and y


A definition of a solution to a system of equations?

A system of equations is a set of two or more equations with the same variables, graphed in the same coordinate plane


How do you solve multivariable equations?

You need as many equations as you have variables.


Does the solution to a system of three equations in three variables is always one point?

No. There could be no solution - no values for x, y, and z so that the 3 equations are true.


What is an equation made with two variables called?

An equation with two variables . . . seriously!An equation with one variable can be can be solved, but when there are two variables, you need two equations. This is called a system of two equations in two variables.Three equations in three variables, etc.


What is a group of linear equations that use the same variables?

a system of equations