Question

Q.1 Tell which of the following is a linear equation in one variable : a) x2-4x+3=0 b)6x-2y=7 c) 3x-1=-2x d)pq- 3=p e) 3x +2=4x​

Answer 1

C option is correct

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Answer 2

The equations which are linear equations in one variable are $c) 3x-1=-2x\ and\ e) 3x +2=4x$.

Step-by-step explanation:

• We know, Variable is any assumed symbol or letter that can have any undefined value. For Example:  $a,b,c,x,y\ etc$.

• The number of variables in a given equation determine the type of equation if it is one variable, two variable or no variable. Also, a linear equation is an equation where the degree is 1 i.e., highest variable power is 1.

• Here, the equations $c) 3x-1=-2x\ and\ e) 3x +2=4x$ are both linear equations as they have degree as 1 and in one variable which is $x$.

Therefore, The equations which are linear equations in one variable are $c) 3x-1=-2x\ and\ e) 3x +2=4x$.