You can only simplify the expression, because it doesn't equal anything. If you simplify it it would be:
4n-1 + 3n-7
4n+3n + -1-7
7n-8
Answer:
0.71428571428
Step-by-step explanation:
Do it the old fashioned way, get out your calculator, or google it.
C. 52
Work:
(5x - 22) + (4x + 4) = 90
9x - 18 = 90
9x = 108
x = 12
4(12) + 4 =
48 + 4 = 52
Use Pie the method we all learned i really can’t remember but i think it’s 3.14
60, 60 and 60 degrees
There are two criteria: the angles have to all be equal and they have to add up to 180 degrees. This answer satisfies both criteria.
