Question

Metodo de Sustitucion y Reduccion


4x+8y=1
–2x–2y=4

Answer 1

Respuesta:

Explicación paso a paso:

4x+8y=1

–2x–2y=4

4x+8y=1       x=(1-8y)/4     x= 1/4-2y=0.25-4.5=-4.25

–2x–2y=4

-2((1-8y)/4)-2y=4

-((1-8y)/2)-2y=4

-1/2+4y-2y=4

2y=4+1/2

y=4.5/2= 2.25