Answer:
(x) = 4
Step-by-step explanation:
3/4 (x) + 4 = 7
3/4 (4) + 4 = 7
0.75 (4) + 4 = 7
3 + 4 = 7
7 = 7
Your answer is 71
7+2(n-1)
we have our n as 8
so,7+2(8-1)
9(7)=63