Answer:
x = 19
Step-by-step explanation:
Vertical angles are equal
So
7x - 8 = 6x + 11
7x - 6x = 11 + 8
x = 19
Answer:
D
Step-by-step explanation:
sorry idk how to explain it
Answer:
d= 2√10
Step-by-step explanation:
y= 3x - 5
3x - y - 5=0
d= | 3* 7 +(-1) * (-4) + (+5) |
________________

d = | 20 | / 
d = 20 / 
d = 2
Answer:
13x
because you would comibne like terms, so you add the 8 and 5.