x=5, y=6 (step by step)

body preview (52 words)

xx have:
xx + x x x and x x x xxx
y x x + x and x x y = xx
y = x x x xxx x x (1 + xx = xx
y = 1 + x and xx + x x 11
y = xxx xxx xx = xx
x = xx x xxx x x 5
y x x xxx x = x


Buy this answer