Question

find x and y
(4x+10y) (11x+5y)
a) x=5, y=7
b) x=7, y=5
c) x=90, y=90
d) x=10, y=5

Answer 1

a works

Answer 2

but D also works

Answer 3

x and y could be anything..its not equal to something so they will all work, i think we're missing part of the question?

Answer 4

but wouldn't they be equal to each other?