in{matrix} $v21 \cr $v22 \cr $v23 \cr \end{matrix} \right] x_2+
\left[\begin{matrix} $v31 \cr $v32 \cr $v33 \cr \end{matrix} \right] x_3=
\left[\begin{matrix} $v41 \cr $v42 \cr $v43 \cr \end{matrix} \right]
\]


END_SOLUTION
Context()->normalStrings;

ENDDOCUMENT();


// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using AccessibilityInsights.CommonUxComponents.Controls;
using AccessibilityInsights.SharedUx.Enums;
using Axe.Windows.Core.Bases;
using System;
using System.Windows;
using System.Windows.Automation;
using System.Windows.Automation.Peers;
using System.Windows.Automation.Provider;
using System.Windows.Controls;
using System.Windows.Input;

namespace AccessibilityInsights.SharedUx.Controls
{
    /// <summary>
    /// Interaction logic for InspectTabsControl.xaml
    /// </summary>
    public partial class InspectTabsControl : UserControl
    {
        /// <summary>
        /// Expose event config
        /// </summary>
        public EventConfigTabControl CtrlEventConfig
        {
            get
            {
                return this.ctrlEventConfig;
            }
        }

        /// <summary>
        /// Expose event message
        /// </summary>
        public EventDetailControl CtrlEventMessage
        {
            get
            {
                return this.ctrlEventMessage;
            }
        }

        /// <summary>
        /// Action to perform when user needs to log into the server
        /// </summary>
        public Action SwitchToServerLogin
        {
            get
            {
                return this.ctrlTests.SwitchToServerLogin;
            }

            set
            {
                this.ctrlTests.SwitchToServerLogin = value;
            }
        }

        /// <summary>
        /// Dependency property to show how to fix tab
        /// </summary>
        public static readonly DependencyProperty Curr