Question

cuanto es esta sustitucion

x =16 + y

x - 2 x = 1 ( x+ y)
4 4

Answer 1

16+y-2(16+y)=1(16+y+y)
16+y-32-2y=16+y+y
-16-y=16+2y
-2y-y=16+16
-3y=32
y=32/-3
y=-10.66
x=16-10.66=5.34