4n-7=9
4n= 9+7
4n= 16
n= 16/4
N= 4
Answer:
1) -5b + 16
2) -5a
3) 7a - 12
4) 7 + 4x
5) x + 6
6) 7a + 3
7) 11x + 2
8) 9x - 8
9) -13n
10) 18b -5
Step-by-step explanation:
Combine like terms for a simplified expression.
(Example: x + 2x = 3x and 3 - 8 = -5)
Answer:
day 1 5 day 2 8 day 3 2.5 day 4 10 day 5 10 altogether is 35.5
Step-by-step explanation:
5+3=8
5/2=2.5
5*2=10
5*2=10
10+10+8+5+2.5=35.5
The division fact means that 5 can go into 30 6 times.
hope this helped!!!!
C. complementary angles
Step-by-step explanation:
two angles are called complementary when their measures add to 90 degrees
