A circle is 360 degrees so 360 divided by 20=18 so 20 degrees is one 18th of a circle
Answer:
1.) -5
2.) -4
Step-by-step explanation:
For number 1, you sub in -2 for x.
2 multiplied by -2 is -4, minus 1 = -5.
For the second one, sub in 5 for x.
-5 + 1 = -4.
3(x+3)-2x
Distribute the 3
3x+9-2x
Combine like terms
x+9
Set equal to zero if you need to do this part
x+9=0
Get x by itself
x=-9