-x + 1/2 = x + 4 1/2
+x +x
1/2 = 2x + 4 1/2
-4 1/2 - 4 1/2
-4 = 2x
x = -2
Answer: 3.30
Step-by-step explanation: there is none
Answer:
Step-by-step explanation:
hello :
the nth term of an arithmetic sequence is :
An =An+(n-p)d ....a common difference is : d
let : n=15 and p=1 d= 4 A15 =43
A15 = A1 + (15-1)(4)
43= A1 +56
A1= 43-56 = - 13
Answer:
x=5
Step-by-step explanation:
5x-2=23
add 2 to both sides
5x=25
divide by 5 on both sides
x=5
