If x+5y = 1 find x/y
x-3y
4
solution
x+5y = 1
x-3y 4
1(x-3y) = 4(x+5y) [after cross multiplying]
x-3y = 4x+20y
x - 4x = 20y + 3y
-3x = 23y
1-3x = 23y
1-3
-3
X = -23y/3
x/y = -23/3
x = 5y
x = 5y
y y
x = 5
y
Hence x/y = 5 answer.
TRY THIS......................
If x+2y = 1 find x/y
x- 2y
5
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