2 answers:
Decimal form: 4.05, 0.5
Exact form: 9/2, 1/2
9514 1404 393
Answer:
(x | x = 0.5 or x = 4.5}
Step-by-step explanation:
The given equation resolves to two:
2x -5 = 4
2x = 9 . . . . . . add 5
x = 9/2 = 4.5 . . . . divide by 2
and ...
2x -5 = -4
2x = 1 . . . . . . add 5
x = 1/2 = 0.5 . . . . divide by 2
Then the solution set is ...
(x | x = 0.5 or x = 4.5} . . . . . . matches the first choice
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