Let the number be x, then:-
3x + 12 - 5x = 22
-2x = 10
x = -5
Answer:
Step-by-step explanation:
an=an-1+(-4)
a2 = a1 + (-4) = 50 - 4 = 46
a3 = a2 - 4 = 46 - 4 = 42
a4 = a3 - 4 = 42 - 4 = 38
a5 = a4 - 4 = 38 - 4 = 34
Answer:

Step-by-step explanation:
The answer is x=4 hope it helps