For all numbers a and b, the operation is defined by ab = (a + 2)(b – 3).
For all numbers a and b, the operation is defined by ab = (a + 2)(b – 3).
If 3x = –20, then x =
Answer/Solution
-1
Steps/Work
(3+2)(x-3)=-20..
x-3=-4..
x=-1
E
x-3=-4..
x=-1
E