solve 2x + 3y = 9 and 4x + 6y = 18 by using any method.
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Answered by
4
2x + 3y = 9 ....... (×2)
4x + 6y = 18
subtracting the two equations we get ,
-4x - 6y = -18
4x + 6y = 18
= 0
Answered by
2
Answer:
Step-by-step explanation:
2x+3y=9..................................(1)
4x+6y=18
⇒2(2x+3y)=18
⇒2x+3y=9..........................(2)
from (1)and (2)
2x+3y=9
-2x+3y=9
________________
∴0
actually these two equations are the same .
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