[" If "4x+3y=78" and "(3x)/(2y)=(27)/(22)" .How much is "y-x?],[" a) "17],[" b) "8],[" c) "6],[" d) "4]

If 4x+5y=83 and (3x)/(2y)=(21)/(22), then y-x=?( a) 3( b) 4 (c) 7 (d) 11

if 2x + 3y =78 and 3x + 2y=72, what is the value of x+y?

If (i) 4x+5y=83 and (3x)/(2y)=(21)/(22), then what is the value of y-x? (ii) (x)/(4)-(x-3)/(6)=1 then find the value of x.

If 4x - 3y = 7xy and 3x + 2y = 18xy , then (x,y) =

Find (3x+2y) xx (4x+3y).

Simplify: (2x+3y)(3x4y)-(7x+3y)(x+2y)