Which of the following is a linear equation -2x - - 2-2x - - 5 - - - - - - - - 25-x - 2y - 5-x - y-

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Standard VIII

Mathematics

Linear equation

Which of the ...

Question

Which of the following is a linear equation ?

2x + = 5

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2x + = 2

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x + 2y = 5(x - y)

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+ = 25

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Solution

The correct option is C
x + 2y = 5(x - y)

Linear equations are equations whose degree is one.

$x + 2 y = 5 (x - y)$

Here the degree is one, so this is linear equation.

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Similar questions

Q. Show that each one of the following systems of linear equation is inconsistent:
(i) 2x + 5y = 7
6x + 15y = 13

(ii) 2x + 3y = 5
6x + 9y = 10

(iii) 4x − 2y = 3
6x − 3y = 5

(iv) 4x − 5y − 2z = 2
5x − 4y + 2z = −2
2x + 2y + 8z = −1

(v) 3x − y − 2z = 2
2y − z = −1
3x − 5y = 3

(vi) x + y − 2z = 5
x − 2y + z = −2
−2x + y + z = 4

Which of the following pairs of linear equations are consistent/ inconsistent? If consistent, obtain the solution graphically:

Q.
which of the following is not a linear equation ? How ? a.)5x=25
b.)x(x-1)=10
c.)x/3+2=15
d.)2x-5=5

Which of the following pairs of linear equations is inconsistent?
$1. x + 3 y - 5 = 0, 2 x + y = 0$
$2. 2 x + y = 1, 2 y = 2 - 4 x$
$3. 2 x - y = 2, 2 y - 4 x = 2$

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Which of the following is a linear equation ?

The correct option is C x + 2y = 5(x - y) Linear equations are equations whose degree is one. x+2y=5(x−y) Here the degree is one, so this is linear equation.

The correct option is C
x + 2y = 5(x - y)

Linear equations are equations whose degree is one.

$x + 2 y = 5 (x - y)$

Here the degree is one, so this is linear equation.