X equals 60 degrees (80-20=60)
Answer:

Step-by-step explanation:
To solve this question, we will first expand the expression using the distributive rule: 
Therefore:

Simplify:

Add up like terms:

Yes they are both equivalents because they are whole's and some examples would be 8/8,9/9,4/4. and 5/5 because they are all whole's 7 out of 7 pieces of pizza is the whole pizza.
Answer:
i do only 1 part
hope my answer is helpful to you
Answer:
2.8
Step-by-step explanation: