x = 7
3*x-6-(15)=0
3x - 21 = 3 • (x - 7)
Solve : 3 = 0
Solve : x-7 = 0
Add 7 to both sides of the equation :
x = 7
Answer:
1&3
1&4
2&3
2&4
are all supplementary angles
9:3
Step-by-step explanation: if it is 3:1 then it would be equivalent to 9:3
Answer:
kkk
Step-by-step explanation: