Answer:
y = 
Step-by-step explanation:
Given
- 3y = - 
Multiply both sides by 5 to eliminate the fraction
- 15y = - 6 ( divide both sides by - 15 )
y =
=
= 
Answer: x= y+7 / all over 3
Step-by-step explanation:
y= 3x-7
+7. +7
y+7 =3x
÷3. ÷3
y+7/ 3 = x
Answer:
Step-by-step explanation:
Answer:
160
Step-by-step explanation:
5x-10+12x=16x
17x-16x=10
x= 10
exterior angle at C = 16x= 16×10 = 160°