Step-by-step explanation:
-2/3x+ 3/7 = 1/2
-2/3x = 1/2 -3/7
-2/3x = 7-6 /14
-2/3x = 1/14
3x = 1/14×(-2)
3x = 1/ -28
x = 1/ -28×3
x = 1/-84
