What is two-thirds of a number minus six is -10
Lets call the number "x"2/3x - 6=-10Add 6 to both sides +6 +62/3x=-4 Divide by 2/3 on both sides-4 divided by 2/3 is-8/3x = -8/3 or -2 2/3The number is -2 2/3.