1. -3
2. -1
3. -1
4. 8
Step-by-step explanation:
Question 1:
-4x-10=x+5
-15=5x
x=-3
Question 2:
-5x+8=-4x+9
x=-1
Question 3:
-x+9=-5x+5
4x=-4
Question 4:
3x-1=-2x+39
5x=40
x=8
Hope this helps, and comment below if this is unclear!
i dont know
step-by-step explanation: