Question

solve the linear equations by the cross multiplcation method = 2x + 5 = y, 3x + 2y = 8​

Answer 1

2x+y−5=0

3x+2y−8=0

Using cross multiplication method, we get

b

1

c

2

−b

2

c

1

x

=

c

1

a

2

−c

2

a

1

y

=

a

1

b

2

−a

2

b

1

1

2

x

=

+1

y

=

1

1

So, x=2 and y=+1

Answer 2

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