balloon math puzzle brain teaser
can you solve this puzzle?
x + 2y + 3z = 0
x - y + z = 0
x + y - 2z = 0
x + y + z = ?
created by zbynny
can you solve this puzzle?
x + 2y + 3z = 0
x - y + z = 0
x + y - 2z = 0
x + y + z = ?