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Q: What is an equation with one or two variables?
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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.


Why was there a need to invent linear equation in two variables?

If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.


What Reduces an equation that has two variables to an equation that has one variable?

Substitution........apex


What is an equation involving two or more variables?

An equation with two or more variables is called a polynomial. It can also be a literal equation.


How do you solve the equation x-7y equals 3?

One linear equation in two variables cannot be solved. You can only express one of the variables in terms of the other.


When an equation has two variables there is a number of values that the two variables could have?

If an equation has two variables, we'll call them (x,y), the variables can be any value as long as both sides of the equation have the same result. If the equation was x = y, then the variables could be (1,1), (2,2), (3,3),etc...


What is y equal -3x-2?

-1


What reduces an equation that has two variables to an equation that has one variable. It is then possible to find the solution for this variable.?

substitution


What reduces a equation that has two variables to an equation that has one variable?

combining like terms or subtracting from both sides of the equation.


Reduces an equation that has two variables to an equation that has one variable It is then possible to find the solution for this variable?

Substitution


What reduces an equation that has two variables to an equation that has one variable It is then possible to find the solution for this variable?

substitution


What reduces an equation that has two variables to an equation that has one variable It is the possible to find the solution for this variable?

substitution