Question

solve the following pair of linear equation by elimination method and substitution method. 2x+4y-2=0 and 6x+9y+3=0​

Answer 1

Explanation:

we have

2x+4y-2=0

6x+9y+3=0

3(2x+4y-2=0)

6x+12y-6=0

now

6x+12y-6

6x+9y+3

- -. -. changing the sign

3y-9=0

3y=9

y=3

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Answer 2

Answer:

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