50=3x+b. you never specify the variable that replaces b
Answer:
/
Step-by-step explanation:
6x - 42 + x = 15 +9x + 5 ;
7x - 42 = 20 + 9x;
7x - 9x = 20 + 42;
-2x = 62;
x = -31;
Answer:
D. It would be D.
Step-by-step explanation:
Because anything divided by zero is zero, and I suppose zero is neither negative nor positive. or vise versa