Answer:
3 - (n -1) = (1/2)(3n -4)
Step-by-step explanation:
three minus the difference of a number and one: 3 - (n -1)
one-half of the difference of three times the same number and four: (1/2)(3n -4)
These two expressions are said to be equal, so the equation is ...
3 - (n -1) = (1/2)(3n -4)
