Question

SC
6
10
9.17 Simultaneous equetions, solve. 2x + 3y = 4
- 4 x +y = 6​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

$2x + 3y = 4 \: \: \: \: i)$

$- 4x + y = 6$

solving this equation by elimination method.

multiply i) by coefficient of x in ii) and multiply ii) by coefficient of x

$- 8x - 12y = - 16$

$- 8x + 2y = 12$

$- 12y + 2y = - 16 + 12$

$- 10y = - 4$

y= 2/5.

putting the value of y in equation i)

2x -3×2/5=4

2x-6/5= 4

2x=4+6/5

2x=26/5

x= 13/5

so value of x= 13/5 and y= 2/5 answer