Which of the following equation have 2 variables? - Infinity Learn by Sri Chaitanya

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Uploaded: 2023-05-17T14:00:00.000Z
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A
$- 2 x + 10 t = 2 y - 7 x$
B
$5 y - z = 4 z - 11 y + x$
C
$10 s + 2 f = h$
D
$x - 4 h = 55 h + 2 x$

Solution:

We know that the unknowns in an equation are called variables.
The equation given in option 1 have

x, t

and

y

as variables, which are

3

in number.
The equation given in option 2 have

x, z

and

y

as variables, which are

3

in number.
The equation given in option 3 have

s, f

and

h

as variables, which are

3

in number.
The equation given in option 4 have

x

and

h

as variables, which are

2

in number.
Hence, the correct option is 4.

Which of the following equation have $2$ variables?

Solution:

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