#4 .
x + 8 - 8 = 7 - 8
It's "Subtraction property of equality"
It's correct
Answer:
x=-3
Step-by-step explanation:
-4(-2x+5)-5x+5=-24
8x-20-5x+5=-24
3x-15=-24
3x=-9
x=-3
I hope that this helped you!
Answer:
x = 5. y = 4
Step-by-step explanation:
7x - 4 = 31
7x = 35
x = 5
4y + 8 = 24
4y = 16
y = 4
Answer:
n+1=x-1
Step-by-step explanation:
as n goes up, x decreases by 1 each time
