Question

3. Write each of the following as an equation in two
variables :
(i) 3x + 9 = 0
(ii) 4y = 13
(ii) 25 = 6x
(iv) 2y - 7 = 0​

Answer 1

Answer:

(i). x=-3

(ii). y=3.25

(iii). x=4.17 (corr. to 3 sig. fig.)

(iv). y=3.5

Step-by-step explanation:

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Answer 2

Answer:

1. 3x + 9 = 0

=> 3x + 0.y + 9 = 0 ans

2. 4y = 13

=> 0.x + 4y - 13 = 0 ans

3. 25 = 6x

=> 6x + 0.y -25 and

4. 2y - 7 = 0

=> 0.x + 2y - 7 = 0 ans

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