Question

sistema de ecuaciones: igualacion, reduccion y sustituir
X/2 + 3y/2 = 5

4 – 2x/2 – y/2 = 1

Answer 1

Respuesta:

Explicación paso a paso:

X/2 + 3y/2 = 5

1/2x+3/2y+−3/2

y=5+−3/2y1/2

x=−3/2y+5

1/2x1/2

=−3/2y+51/2

x=−3y+10

4 – 2x/2 – y/2 = 1

−x+−1/2

y+4+−4=1+−4

−x+−1/2y=−3

−x+−1/2y+1/2

y=−3+1/2y

−x=1/2y−3−x/−1

=1/2y−3−1

x=−1/2y+3