math
posted by
shae on
.
2x8(x+y)=yx

math 
visoth,
times everything in parenthesis by 8
giving you
2x  8x  8y = y  x combine like terms
6x  8y = y  x
add x to both side
5x  8y= y
y from both side
5x 9y=0

math 
visoth,
and it depends on which variable you want but im sure you can figure it out from here