y=x+4
x=y4 /2
x-7*y*4 >> solve it * is multiply-
Assuming the domain and range are suitably defined, then yes. If not, then no.
(x2 + y2)(x + y)(x - y) = x4 - y4.
How do you solve 4y plus x equals 8
y6 x y2 y4 x y4 y2 x y2 x y4 y2 x y2 x y2 x y2
(x + y)2 = x2 + 2xy + y2 So x2 + y2 = (x + y)2 - 2xy = a2 - 2b Then (x2 + y2)2 = x4 + 2x2y2 + y4 So x4 + y4 = (x2 + y2)2 - 2x2y2 = (a2 - 2b)2 - 2b2 = a4 - 4a2b + 4b2 - 2b2 = a4 - 4a2b + 2b2
X +13 equals 22, X equals nine
-2
x=1
x=b-a
x=28