Answer:
D) 50
20/0.4=50
Step-by-step explanation:
Answer:
+3 and -4
Step-by-step explanation:
as
+3×-4=-12
and
-4+3=-1
Answer:
The answer is 48, I hope this helps!
Step-by-step explanation:
would you like me to explain?
2x-4(x+1)=-13
1) we solve this equation:
2x-4(x+1)=-12
2x-4x-4=-12
-2x=-12+4
-2x=-8
x=-8/-2
x=4
2) we evalute x²-1
x²-1=4²-1=16-1=15
Answer: 15