Answer:
-1
Step-by-step explanation:
Answer:9
First, you simplify to get -t=9t-90
Then you bring -90 over to the left side to get positive and bring the -t to the right to get: 90=10t
Now it is simple division where you divide 10 on both sides and get 9 for t
1.7417438e+20
Wow that was hard!
If lines a and b are parallel, then aº = 79º = dº = bº.
true