Question

HELP ME PLEASE!!!!!
can u solve simultaneously:
7/x - 5/y = 3
2/x + 25/2y = 12
please include working out please. thank you

Answer 1

you can multiply the first one by -2, and the second one by 7, then add them together

Answer 2

-14/x + 10/y = -6

14 /x + 175/2y = 84
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Answer 3

ohhh

Answer 4

when you add the two equations, the x variable will go away so you can solve for y

Answer 5

i get it now thank you

Answer 6

welcome

Answer 7

fory linear systems you can

- multiply equations by constants
- add equations
- change order of equations