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Q: What does each variable stand for in the equation?

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"Solve an equation" means "find out, for which values of the variable or variables is the equation true".

In a nonlinear equation, each variable must only have one solution.

In an equation b or any other letters usually denotes the unknown variable.

that is pi.there isnt really a variable there it just looks like n

direct variation, and in the equation y=kx the k ca NOT equal 0.

A number, multiplied by a variable is part of an Algebraic equation. A person can find out the value of the variable if they divide each side by the number that is next to the variable. For example, if the equation is 5x = 60, divide each side by 5 and the answer is x = 12.

You substitute the value of the variable into the quadratic equation and evaluate the expression.

When you have a negative variable in an equation that you are trying to solve for, you multiply each side of the equation by -1. If it is an inequality such as <, you would flip the sign to > and vice versa.

A linear equation is when each term in the algebraic equation is either a constant or the product has a single variable and a constant.

a linear equation is an algebraic equation in which each term is either a constant or the product of a constant and a single variable.

y=mx+b is the equation for a linear relationship. y= the dependant variable m= the slope of the line x= the independent variable b= the y-intercept

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