The statements given below are the steps that need to be followed in the method of substitution in random order. Arrange them in correct order to solve two equations.

1) Find the value of one variable, say y in terms of the x if x and y are the two variables.

2) Substitute the x we got from step 2 in either of the equation to get y.

3) Substitute this y in the second equation and it will be reduced to an equation in x, find x.

1, 2, 3

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1, 3, 2

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2, 3, 1

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3, 2, 1

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Solution

The correct option is B
1, 3, 2

In substitution method, there are 3 steps

Step 1: Find the value of one variable, say y in terms of the x if x and y are the two variables

Step 2: substitute this y in the second equation and it will be reduced to an equation in x, find x

Step 3: substitute the x we got from step 2 in either of the equation to get y.

So these are the three steps involved in solving two equations by substitution method.

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Similar questions

The statements given below are the steps that need to be followed in the method of substitution in random order. Arrange them in correct order to solve two equations.

1) Find the value of one variable, say y in terms of the x if x and y are the two variables.

2) Substitute the x we got from step 2 in either of the equation to get y.

3) Substitute this y in the second equation and it will be reduced to an equation in x, find x.

The statements given below are the steps that need to be followed in the method of substitution in random order. Arrange them in correct order to solve two equations.

1) Find the value of one variable, say y in terms of the x if x and y are the two variables.

2) Substitute the x we got from step 2 in either of the equation to get y.

3) Substitute this y in the second equation and it will be reduced to an equation in x, find x.

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 $y .$

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 .

Select the correct approach for solving a pair of linear equations in 2 variables by elimination method.
i) Add or subtract one equation from the other so that one variable gets eliminated.
ii) Multiply both the equations by any non-zero constant to make the coefficients of one variable (either x or y) numerically equal.
iii) Solve the equation in one variable (x or y) to get its value.
iv) Substitute the value of x (or y) in either of the original equations to get the value of the other variable.

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