3x+y=8
y=8-3x
5x+3(8-3x)=8
5x+24-9x=8
-4x+24=8
-4x=-16
x=4
5x+3y=8
5(4)+3y=8
20+3y=8
3y=-12
Y=-4
5x+3y=8
5(4)+3(-4)=8
20+-12=8
8=8
The equation in standard form would be,

All you have to do is move -2/7x to the other side.
Hope this helped
:D
Answer:
It is 432
Step-by-step explanation:
(5/6) x = -1/6 (multiply times 6/5)
x = -1/5