1/5

Equations of 2 unknowns

Instructions:

Solve a set of two equations with two unknowns and find out values of unknown variables x and y.

18 . x + 36 . y=54
18 . x - 18 . y=108
=
=
=
x=
y=
Correctness test
18 . + 36 . =54
18 . - 18 . =108