Answer:
x=10
Step-by-step explanation:
hope it helps
Answer:
it should be 3.) x+2
Step-by-step explanation:
Answer:
3x+9=180(angles on a line
3x=180-9
3x=171
x=171/3
x=57
Answer:h
2x+1+3x+8./2=. 17
5x+9. = 17 x2
5x+9= 34
-9. -9
5x=25
Divide by 5
X=5
Step-by-step explanation: