Question

x+2y=-1 ; 2x-3y=12 simultaneous equations using cramer's rule​

Answer 1

Answer:

X+2y=-1

2x-3y=12

X=1-2y

2(1-2y)-3y=12

2-4y-3y=12

-7y=10

Y=-10/7

X+2(-10/7)=-1

X-20/7=-1

X=27/7

Answer 2

Answer:

2x+ 2y = - 2

2x-3y = 12

on solving the two equations

we get y= - 14/5

x = 19/5

Step-by-step explanation:

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