Question

is a linear equation in one variable.

• A. $a+b=9$
• B. $w^2-3=6$
• C. $x+4=2$

Answer 1

The correct option is C $x+4=2$

A linear equation in one variable is an algebraic equation with one variable or an unknown
And has the power of 1.


Let's look at these equations one by one.
a. $a+b=9$

Unknowns $=a,b$ and their power $=1$
Hence, it's a linear equation in one variable.

b. $w^2-3=6$

Unknowns $=w$ and it's power $=2$
Hence, it's not a linear equation in one variable.

c. $x+4=2$

Unknowns $=x$ and it's power $=1$
Hence, it's a linear equation in one variable.