Question

x+y=5 2x-3y=4 by elimination method by equating the co-efficient method​

Answer 1

Answer:

x=4 y=17

Step-by-step explanation:

4x-8y=9

4x=9+8y

4x=17y

Answer 2

Question -

x+y=5 and 2x-3y=4 by elimination method by equating the co-efficient method.

Solution -

$x + y = 5 \: \: ...(1) \\ 2x - 3y = 4 \: \: ...(2)$

Multiply by 2 in equation (1),

$2x + 2y = 10 \: \: ...(3)$

Subtract equation (2) from equation (3),

$= > 5y = 6$

$= > \boxed{y = \frac{5}{6} }$

Now put the value of y in equation (1),

$\longmapsto x + \frac{5}{6} = 5$

$\longmapsto \: x = 5 - \frac{5}{6}$

$\longmapsto \boxed{ x = \frac{25}{6} }$

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