Answer: 8n
Step-by-step explanation: 5n + 3n
Answer:
367 19/27
Step-by-step explanation:
Use symbolab bruv, its easy.
The difference is 180 is the correct answer for the problems
Answer:
x>-23/7
Step-by-step explanation:
-23<7x
7x>-23
x>-23/7
the answer is x>-23/7
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