The phrase "a unanimous answer" is correct and usable in written English.
It can be used when referring to a response or decision that is agreed upon by all members of a group without any dissent.
Example: "After much discussion, the committee reached a unanimous answer regarding the new policy."
Alternatives: "a collective response" or "an agreed-upon answer".
Expansion seems a unanimous answer, but we need to make sure we're asking the right question.
It's a question that is not likely to ever find a unanimous answer.
The night's lessons, plus years of multiple choice, take-the-non-obvious-choice exam strategizing, produced a unanimous answer: eat the fish guts.
As regards the role of text production processes such as idea generation, the respondents had a unanimous answer.
Ask anyone who searches for a job whether it works great, and you are going to get a unanimous answer that it doesn't".
Ask anyone around the world about Atlanta's place in music, and you will get a unanimous answer: Atlanta is no longer the trap rap capital of the world; it is the epicenter of the entire rap game.
All the historical literature accepts this perspective as given,4 providing a cohesive and unanimous answer to the question about economic performance: Argentina's exceptional bad performance since democracy is considered a stylized fact.
(Martha Stewart was the unanimous answer from a random sampling of decorators, decorating editors and friends I polled).
And out it all came: many preferred the specifically north-western epithet "scally", though the distinguishing features of both archetypes were apparently the same - clothing brands Nike TN, Rockport, Paul & Shark, and racial profile (the unanimous answer came back in a flash) white.
When three confederates gave a unanimous incorrect answer, many of the genuine participants ignored what they could see and agreed with the confederates.
