Answer:
"The basic technique to isolate a variable is to “do something to both sides” of the equation, such as add, subtract, multiply, or divide both sides of the equation by the same number. By repeating this process, we can get the variable isolated on one side of the equation."
Step-by-step explanation: That was from google :3
35 songs/7 songs= 5 CDs
5-3=2 CDs left after they sold 3
Complementary angles add up to 90°
Let one of the angle be x.
The other angle is 29x.
x + 29x = 90
30x = 90
x = 3
29x = 29(3) = 87
Answer: The two angles are 3° and 87°
2 1/3 - 1 4/5
= 7/3 - 9/5
= 35/15 - 27/15
= 8/15
ANSWER: 8/15
7 3/4 - 6 4/5
= 31/4 - 34/5
= 155/20 - 136/20
= 19/20
ANSWER: 19/20 ft. farther