Question

0.2x+0.3y = 0.1
X + 0.5y = 3.5
Cual es el valor de x & y
ayudaaaa!!!! Es urgente

Answer 1

0.2x+0.3y = 0.1
X + 0.5y = 3.5 /*-0.2

0.2x+0.3y = 0.1
-0.2x-0.1y=-0.7

sumamos para abajo

0.2y=-0.6
y= -3
remplazamos 

X + 0.5y = 3.5
X + 0.5 (-3) = 3.5
x=5