Answer:
4
Step-by-step explanation:
Divide 28 by 4 to get 7
Expanding
-3h-15+2=4h+24-9
-3h-4h=24-9-2+15
-7h=28
h=4
Answer:
6
Step-by-step explanation:
(3x-5)+(2x-1)+(x+1) = 6x-5 = 31
6x = 36
x = 6
Answer:
Step-by-step explanation:
<u>Figure 1</u>
<u>Figure 2</u>
<u>Figure 3</u>
<u>Equation for nth term</u>
- (n + 1)^2 - 2 =
- n^2 + 2n + 1 - 2 =
- n^2 + 2n - 1