Raw Source
ProxyFiend / Brainly Unlocker 

// ==UserScript==
// @name         Brainly Unlocker
// @namespace    ProxyFiend.BrainlyUnlocker
// @author       ProxyFiend
// @prefix       BUL
// @copyright    2019, ProxyFiend (https://twitter.com/ProxyFiend)
// @license      MIT
// @version      1.0.1
// @description  Unblocks answers on Brainly.
// @include      *://brainly.com/question/*
// @updateURL    https://openuserjs.org/meta/ProxyFiend/Brainly_Unlocker.meta.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js
// ==/UserScript==

// ==OpenUserJS==
// @author ProxyFiend
// ==/OpenUserJS==

(function() {
    'use strict';

    $("div.brn-kodiak-answer>div.brn-kodiak-answer__content>div:nth-child(1)").removeClass("js-hidden");
    $("div.brn-kodiak-answer>div.brn-kodiak-answer__content>div:nth-child(1)").removeClass("brn-kodiak-answer__content--cut");
    $("div.brn-kodiak-answer>div.brn-kodiak-answer__content>div:nth-child(2)").addClass("js-hidden");
    $("div.brn-kodiak-answer>div.brn-kodiak-answer__content>div:nth-child(3)").addClass("js-hidden");

    $("div.brn-kodiak-answer>div.brn-kodiak-answer__unlock>div:nth-child(1)").addClass("js-hidden");

    $("div.brn-kodiak-answer>div.brn-kodiak-answer__preview-end>div:nth-child(1)").addClass("js-hidden");

})();