Question

If h(x) = 2x + 1, find the value of x if h(x) = 11

Answer 1

11=2x+1
-1 -1
10=2x
divide both sides by 2
x=5

Answer 2

h(x)=2x+1 -eq. 1
h(x)=11 -eq. 2
from eq. 1 and 2
2x+1=11
2x=10
x=10/2=5

Answer 3

x=5 :)