Answer:
x = 21
Step-by-step explanation:
-9 + x = 12
+9 +9
x=21
answer:
i believe 28
Step-by-step explanation:
So I’m guessing 40 is x so if 40 is the hours u put 290=40(3)+50 so then it would be 290=120+50 then it would simplify even more to 170 then 290-170=120 and 120 is ur answer I hope I’m right
Answer:
1. x=5
2.x=-33/8
3.x=10
4.x=5
Step-by-step explanation: