from your line
3(5/3x+1/3x)=3(3x+40/3+7/3x)
I get
5x + x = 9x + 40 + 7x
6x - 16x = 40
-10x = 40
x = -4
5/3x+1/3x=3x+40/3+7/3x
3(5/3x+1/3x)=3(3x+40/3+7/3x)
7x+1x=9x+9+7x
7x=17x+9x=9
1 answer
3(5/3x+1/3x)=3(3x+40/3+7/3x)
7x+1x=9x+9+7x
7x=17x+9x=9
1 answer