Question

Reduce the pair of equations2/x+3/y=4 and 5/x+4/y=8 in to a pair of linear equations

Answer 1

Answer:

y=2x or x=y/2

Step-by-step explanation:

1) 2/x+3/y=4 => 2y+3x=4xy =>4y+6x=8xy

2) 5/x+4/y=8  => 5y+4x=8xy

Subtract the 2 equations above:

4y+6x=5y+4x

5y-y=6x-4x

y=2x or x=y/2