Teachers and parrents

Instructions:

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

Example

-32 . x - 32 . y=-64
-16 . x + 16 . y=-64
=
=
=
x=
y=
Correctness test
-32 . - 32 . =-64
-16 . + 16 . =-64

Solution

-32 . x - 32 . y=-64
-16 . x + 16 . y=-64
x=3
y=-1

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