Question

x-y/6 + x+y/8 =5
x+y/4 - x-y/5=10

urgênte!!!

Answer 1

X-y/6 + x+y/8 =5

x+y/4 - x-y/5=10

2x -y/6 +y/8=5

y/4 -y/5=10

48x=120+y

48x-y=120

5y-4y=200

48x-y +5y-4y+320

48x=320

x= 20/3

X-y/6 + x+y/8 =5

40/3 - y/6 +y/8 .=5

- y/6 +y/8= 5-40/3

-2y= -400

y= 200