TonyWeber123 20/11/2013 x+y=605x-y=2106x=270x=270/6x=45Cálculo de Y5x-y=2105 . 45 -y=210225-y=210-y=210-225y= -210+225y=15
TonyWeber123
x+y=60
5x-y=210
6x=270
x=270/6
x=45
Cálculo de Y
5x-y=210
5 . 45 -y=210
225-y=210
-y=210-225
y= -210+225
y=15