math liner equeations class 8
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Equations
An (algebraic) equation is a statement that two expressions are equal .It may involve one of more than one variables (literals). This, 2x-1=9,x2-3x+2=0 are equations in one variable and 5x-7y=3,x2+3xy+5y2=4 are equation in two variables.
Linear equation
An equation of the type ax+b=0,where a is not equal to 0,is called a linear equation in the variable x. Thus, 2x-1=9 is a linear equation in the variable x.
Solving an equation
To solve an equation is to find all its solutions (or roots) , the process of the finding all the solutions is called solving the equation.
An (algebraic) equation is a statement that two expressions are equal .It may involve one of more than one variables (literals). This, 2x-1=9,x2-3x+2=0 are equations in one variable and 5x-7y=3,x2+3xy+5y2=4 are equation in two variables.
Linear equation
An equation of the type ax+b=0,where a is not equal to 0,is called a linear equation in the variable x. Thus, 2x-1=9 is a linear equation in the variable x.
Solving an equation
To solve an equation is to find all its solutions (or roots) , the process of the finding all the solutions is called solving the equation.
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