> 8th grade

1/7

Equations of 2 unknowns

Mix

Instructions:

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

4 . x + 4 . y=16
8 . x - 8 . y=-16
=
=
=
x=
y=
Correctness test
4 . + 4 . =16
8 . - 8 . =-16