Either 7x or -3x hope this helps hun!!
Answer:
2) Add 21 to both sides
Step-by-step explanation:
When solving
for
, our goal to isolate
such that we have
set equal to something.
Therefore, we want to start by adding 21 to both sides. This leaves us with
and we are one step closer to isolating
.
Answer:
90 miles
Step-by-step explanation:
1 1/2 is half of 3 so just multiply 45 by two
The answer is 117 degrees