How to Solve bu using elimination method ?
# 5/(x+y) + 2/(x-y) = 3#
# 20/(x+y) - 3/(x-y) = 1#
3 Answers
Explanation:
Substituting
so we have the System
Multiplying the first equation by
so
Then we have
from here we get
Explanation:
Let;
Therefore;
Similarly..
Using Elimination Method!
Multiply
Adding both
Substituting the value of
But;
Cross multiplying;
Similarly..
Cross multiplying;
Solving simultaenously again..
Using Elimination Method!
Adding
Substituting the value of
Collecting like terms;
Hence;
Explanation:
Let x+y be a and x-y be b
multiply both sides by-11
substitute b=1 in (1)
multiply both sides by 5