In substitution method of solving a pair of linear equations in 2 variables,first step is to solve one of the equations for x or y .

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Solve the following pair of linear equations by the substitution method.

Solve the following pair of linear equations by the elimination method and the substitution method:

Q. In substitution method of solving a pair of linear equations in 2 variables,first step is to solve one of the equations for x or y .

Q. State true or false:
Method of substitution is a graphical method used to solve a pair of linear equations.

For two simultaeous linear equations with two variables, say $x$ and $y,$ arrange the given steps in proper order to find solution of the equations using substitution.

Step a: Solve the $2^{n d}$ equation to find $y .$

Step b: Substitute the value of $y$ in one of the given equations to obtain the value of $x .$

Step c: Inject/ substitute $x$ in the $2^{n d}$ equation to make it a linear equation in one variable.

Step d: In $1^{s t}$ equation, solve for $x$ in terms of $y .$

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