Sagot :
7x/3 -2 = 5x/6 +1
7x/3-5x/6=1+2
14x/6-5x/6=3
9x/3=2
3x=2
x=2/3
4+3x/5 = 7x-1/8
3x/5-7x=-4-1/8
3x/5-35x/5=-32/8-1/8
-32x/5=-33/8
x=33/8*5/32=165/256
1)7x/3-5x/6=2+1
3/2x=3
x=3/3/2
x=2
2)3x/5-7x=-4-1/8
-32/5x=-33/8
x=-33/8/-32/5=165/256