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Question -

Write each of the following as an equation in two variables:
(i) 2x = -3 (ii) y=3 (iii) 5x = 7/ 2 (iv) y = 3/2x



Answer -

(i) Given equation, 2x = -3
The above equation can be written in two variables as,
2x + 0y + 3 = 0

(ii) Given equation, y = 3
The above equation can be written in two variables as,
0 x + y – 3 = 0

(iii) Given equation, 5x = 7/2
The above equation can be written in two variables as,
5x + 0y – 7/2 = 0
or 10x + 0y – 7 = 0

(iv) Given equation, y = 3/2 x
The above equation can be written in two variables as,
2y = 3x
3x – 2y = 0
3x – 2y + 0 = 0

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