I hope it will help u.......
A=3B
4.35A+5.40B=780.95
Substitute 3B into A for the second equation:
4.35(3B)+5.40B=780.90
13.05B+5.40B=780.90
18.45B=780.90
B=42.33
Plug into equation 1:
A=3B
A=3(42.33)
A=126.98
Answer:
2n - 3
Step-by-step explanation:
(n-2) + (n-1) = 2n - 3
Answer:
0
Step-by-step explanation:
0+0=0
