Answer:

Step-by-step explanation:
Given :

Now,

Therefore, expression is equivalent to 
Answer:
False
Step-by-step explanation:
2x+7=30
2x=23
X= 23/2 or 11.5
X does not equal 3, therefore the statement is false
A triangle can only equal 180 so you take 180-50 and get 130 then you divide 130 by 2 your answer is 65 X =65
Answer:

Step-by-step explanation:












