Hey there!
First we have to

!

Now, we have to

our like terms

Once we solve all the

we get

Now, we have to

to each of your sides

Solve that part of the equation

Good luck on your assignment and enjoy your assignment
~
Answer:
3=2n
Step-by-step explanation:
Formula: Tn=T1+(n-1)*d
Tn is the nth term
T1 is the first number of the sequence
n is the nth term as well
D is the common difference
now its Tn=5+(n-1)*2
now solve that so its
Tn=5+2n-2
now its
Tn=3+2n
that's it
2)
-2, -12
-9, -54
-6, -36
6, 36
-4, -24
Step-by-step explanation:
5/2 times x = 1
5/2 * x = 1
5x =2
x = 2/5
x = 0.4