The next answer is 85.
Counting by five is the same as adding 5 to the number he starts with.
Therefore, 80 + 5 = 85
-4(x + 1) + 7x = 8
-4x - 4 + 7x = 8
3x - 4 = 8
3x = 8 + 4
3x = 12
x = 12/3
x = 4 <===
Answer:
−4,−2)∪(0,1), If it is not the correct answer, please notify by texting
